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====================================================================                   Red Hat Security Advisory

Synopsis:          Moderate: kernel security, bug fix, and enhancement update
Advisory ID:       RHSA-2021:4356-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:4356
Issue date:        2021-11-09
CVE Names:         CVE-2020-0427 CVE-2020-24502 CVE-2020-24503 
                   CVE-2020-24504 CVE-2020-24586 CVE-2020-24587 
                   CVE-2020-24588 CVE-2020-26139 CVE-2020-26140 
                   CVE-2020-26141 CVE-2020-26143 CVE-2020-26144 
                   CVE-2020-26145 CVE-2020-26146 CVE-2020-26147 
                   CVE-2020-27777 CVE-2020-29368 CVE-2020-29660 
                   CVE-2020-36158 CVE-2020-36386 CVE-2021-0129 
                   CVE-2021-3348 CVE-2021-3489 CVE-2021-3564 
                   CVE-2021-3573 CVE-2021-3600 CVE-2021-3635 
                   CVE-2021-3659 CVE-2021-3679 CVE-2021-3732 
                   CVE-2021-20194 CVE-2021-20239 CVE-2021-23133 
                   CVE-2021-28950 CVE-2021-28971 CVE-2021-29155 
                   CVE-2021-29646 CVE-2021-29650 CVE-2021-31440 
                   CVE-2021-31829 CVE-2021-31916 CVE-2021-33200 
====================================================================
1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64
Red Hat Enterprise Linux CRB (v. 8) - aarch64, ppc64le, x86_64

3. Description:

The kernel packages contain the Linux kernel, the core of any Linux
operating system.

Security Fix(es):
* kernel: out-of-bounds reads in pinctrl subsystem (CVE-2020-0427)
* kernel: Improper input validation in some Intel(R) Ethernet E810 Adapter
drivers (CVE-2020-24502)
* kernel: Insufficient access control in some Intel(R) Ethernet E810
Adapter drivers (CVE-2020-24503)
* kernel: Uncontrolled resource consumption in some Intel(R) Ethernet E810
Adapter drivers (CVE-2020-24504)
* kernel: Fragmentation cache not cleared on reconnection (CVE-2020-24586)
* kernel: Reassembling fragments encrypted under different keys
(CVE-2020-24587)
* kernel: wifi frame payload being parsed incorrectly as an L2 frame
(CVE-2020-24588)
* kernel: Forwarding EAPOL from unauthenticated wifi client
(CVE-2020-26139)
* kernel: accepting plaintext data frames in protected networks
(CVE-2020-26140)
* kernel: not verifying TKIP MIC of fragmented frames (CVE-2020-26141)
* kernel: accepting fragmented plaintext frames in protected networks
(CVE-2020-26143)
* kernel: accepting unencrypted A-MSDU frames that start with RFC1042
header (CVE-2020-26144)
* kernel: accepting plaintext broadcast fragments as full frames
(CVE-2020-26145)
* kernel: powerpc: RTAS calls can be used to compromise kernel integrity
(CVE-2020-27777)
* kernel: locking inconsistency in tty_io.c and tty_jobctrl.c can lead to a
read-after-free (CVE-2020-29660)
* kernel: buffer overflow in mwifiex_cmd_802_11_ad_hoc_start function via a
long SSID value (CVE-2020-36158)
* kernel: slab out-of-bounds read in hci_extended_inquiry_result_evt() 
(CVE-2020-36386)
* kernel: Improper access control in BlueZ may allow information disclosure
vulnerability. (CVE-2021-0129)
* kernel: Use-after-free in ndb_queue_rq() in drivers/block/nbd.c
(CVE-2021-3348)
* kernel: Linux kernel eBPF RINGBUF map oversized allocation
(CVE-2021-3489)
* kernel: double free in bluetooth subsystem when the HCI device
initialization fails (CVE-2021-3564)
* kernel: use-after-free in function hci_sock_bound_ioctl() (CVE-2021-3573)
* kernel: eBPF 32-bit source register truncation on div/mod (CVE-2021-3600)
* kernel: DoS in rb_per_cpu_empty() (CVE-2021-3679)
* kernel: Mounting overlayfs inside an unprivileged user namespace can
reveal files (CVE-2021-3732)
* kernel: heap overflow in __cgroup_bpf_run_filter_getsockopt()
(CVE-2021-20194)
* kernel: Race condition in sctp_destroy_sock list_del (CVE-2021-23133)
* kernel: fuse: stall on CPU can occur because a retry loop continually
finds the same bad inode (CVE-2021-28950)
* kernel: System crash in intel_pmu_drain_pebs_nhm in
arch/x86/events/intel/ds.c (CVE-2021-28971)
* kernel: protection can be bypassed to leak content of kernel memory
(CVE-2021-29155)
* kernel: improper input validation in tipc_nl_retrieve_key function in
net/tipc/node.c (CVE-2021-29646)
* kernel: lack a full memory barrier may lead to DoS (CVE-2021-29650)
* kernel: local escalation of privileges in handling of eBPF programs
(CVE-2021-31440)
* kernel: protection of stack pointer against speculative pointer
arithmetic can be bypassed to leak content of kernel memory
(CVE-2021-31829)
* kernel: out-of-bounds reads and writes due to enforcing incorrect limits
for pointer arithmetic operations by BPF verifier (CVE-2021-33200)
* kernel: reassembling encrypted fragments with non-consecutive packet
numbers (CVE-2020-26146)
* kernel: reassembling mixed encrypted/plaintext fragments (CVE-2020-26147)
* kernel: the copy-on-write implementation can grant unintended write
access because of a race condition in a THP mapcount check (CVE-2020-29368)
* kernel: flowtable list del corruption with kernel BUG at
lib/list_debug.c:50 (CVE-2021-3635)
* kernel: NULL pointer dereference in llsec_key_alloc() in
net/mac802154/llsec.c (CVE-2021-3659)
* kernel: setsockopt System Call Untrusted Pointer Dereference Information
Disclosure (CVE-2021-20239)
* kernel: out of bounds array access in drivers/md/dm-ioctl.c
(CVE-2021-31916)

4. Solution:

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 8.5 Release Notes linked from the References section.

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1509204 - dlm: Add ability to set SO_MARK on DLM sockets
1793880 - Unreliable RTC synchronization (11-minute mode)
1816493 - [RHEL 8.3] Discard request from mkfs.xfs takes too much time on raid10
1900844 - CVE-2020-27777 kernel: powerpc: RTAS calls can be used to compromise kernel integrity
1903244 - CVE-2020-29368 kernel: the copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check
1906522 - CVE-2020-29660 kernel: locking inconsistency in drivers/tty/tty_io.c and drivers/tty/tty_jobctrl.c can lead to a read-after-free
1912683 - CVE-2021-20194 kernel: heap overflow in __cgroup_bpf_run_filter_getsockopt()
1913348 - CVE-2020-36158 kernel: buffer overflow in mwifiex_cmd_802_11_ad_hoc_start function in drivers/net/wireless/marvell/mwifiex/join.c via a long SSID value
1915825 - Allow falling back to genfscon labeling when the FS doesn't support xattrs and there is a fs_use_xattr rule for it
1919893 - CVE-2020-0427 kernel: out-of-bounds reads in pinctrl subsystem.
1921958 - CVE-2021-3348 kernel: Use-after-free in ndb_queue_rq() in drivers/block/nbd.c
1923636 - CVE-2021-20239 kernel: setsockopt System Call Untrusted Pointer Dereference Information Disclosure
1930376 - CVE-2020-24504 kernel: Uncontrolled resource consumption in some Intel(R) Ethernet E810 Adapter drivers1930379 - CVE-2020-24502 kernel: Improper input validation in some Intel(R) Ethernet E810 Adapter drivers1930381 - CVE-2020-24503 kernel: Insufficient access control in some Intel(R) Ethernet E810 Adapter drivers1933527 - Files on cifs mount can get mixed contents when underlying file is removed but inode number is reused, when mounted with 'serverino' and 'cache=strict '
1939341 - CNB: net: add inline function skb_csum_is_sctp
1941762 - CVE-2021-28950 kernel: fuse: stall on CPU can occur because a retry loop continually finds the same bad inode
1941784 - CVE-2021-28971 kernel: System crash in intel_pmu_drain_pebs_nhm in arch/x86/events/intel/ds.c
1945345 - CVE-2021-29646 kernel: improper input validation in tipc_nl_retrieve_key function in net/tipc/node.c
1945388 - CVE-2021-29650 kernel: lack a full memory barrier upon the assignment of a new table value in net/netfilter/x_tables.c and include/linux/netfilter/x_tables.h may lead to DoS
1946965 - CVE-2021-31916 kernel: out of bounds array access in drivers/md/dm-ioctl.c
1948772 - CVE-2021-23133 kernel: Race condition in sctp_destroy_sock list_del
1951595 - CVE-2021-29155 kernel: protection for sequences of pointer arithmetic operations against speculatively out-of-bounds loads can be bypassed to leak content of kernel memory
1953847 - [ethtool] The `NLM_F_MULTI` should be used for `NLM_F_DUMP`
1954588 - RHEL kernel 8.2 and higher are affected by data corruption bug in raid1 arrays using bitmaps.
1957788 - CVE-2021-31829 kernel: protection of stack pointer against speculative pointer arithmetic can be bypassed to leak content of kernel memory
1959559 - CVE-2021-3489 kernel: Linux kernel eBPF RINGBUF map oversized allocation
1959642 - CVE-2020-24586 kernel: Fragmentation cache not cleared on reconnection
1959654 - CVE-2020-24587 kernel: Reassembling fragments encrypted under different keys
1959657 - CVE-2020-24588 kernel: wifi frame payload being parsed incorrectly as an L2 frame
1959663 - CVE-2020-26139 kernel: Forwarding EAPOL from unauthenticated wifi client
1960490 - CVE-2020-26140 kernel: accepting plaintext data frames in protected networks
1960492 - CVE-2020-26141 kernel: not verifying TKIP MIC of fragmented frames
1960496 - CVE-2020-26143 kernel: accepting fragmented plaintext frames in protected networks
1960498 - CVE-2020-26144 kernel: accepting unencrypted A-MSDU frames that start with RFC1042 header
1960500 - CVE-2020-26145 kernel: accepting plaintext broadcast fragments as full frames
1960502 - CVE-2020-26146 kernel: reassembling encrypted fragments with non-consecutive packet numbers1960504 - CVE-2020-26147 kernel: reassembling mixed encrypted/plaintext fragments
1960708 - please add CAP_CHECKPOINT_RESTORE to capability.h
1964028 - CVE-2021-31440 kernel: local escalation of privileges in handling of eBPF programs
1964139 - CVE-2021-3564 kernel: double free in bluetooth subsystem when the HCI device initialization fails
1965038 - CVE-2021-0129 kernel: Improper access control in BlueZ may allow information disclosure vulnerability.
1965360 - kernel: get_timespec64 does not ignore padding in compat syscalls
1965458 - CVE-2021-33200 kernel: out-of-bounds reads and writes due to enforcing incorrect limits for pointer arithmetic operations by BPF verifier
1966578 - CVE-2021-3573 kernel: use-after-free in function hci_sock_bound_ioctl()
1969489 - CVE-2020-36386 kernel: slab out-of-bounds read in hci_extended_inquiry_result_evt() in net/bluetooth/hci_event.c
1971101 - ceph: potential data corruption in cephfs write_begin codepath
1972278 - libceph: allow addrvecs with a single NONE/blank address
1974627 - [TIPC] kernel BUG at lib/list_debug.c:31!
1975182 - CVE-2021-33909 kernel: size_t-to-int conversion vulnerability in the filesystem layer [rhel-8.5.0]
1975949 - CVE-2021-3659 kernel: NULL pointer dereference in llsec_key_alloc() in net/mac802154/llsec.c
1976679 - blk-mq: fix/improve io scheduler batching dispatch
1976699 - [SCTP]WARNING: CPU: 29 PID: 3165 at mm/page_alloc.c:4579 __alloc_pages_slowpath+0xb74/0xd00
1976946 - CVE-2021-3635 kernel: flowtable list del corruption with kernel BUG at lib/list_debug.c:50
1976969 - XFS: followup to XFS sync to upstream v5.10 (re BZ1937116)
1977162 - [XDP] test program warning: libbpf: elf: skipping unrecognized data section(16) .eh_frame
1977422 - Missing backport of IMA boot aggregate calculation in rhel 8.4 kernel
1977537 - RHEL8.5: Update the kernel workqueue code to v5.12 level
1977850 - geneve virtual devices lack  the NETIF_F_FRAGLIST feature
1978369 - dm writecache: sync with upstream 5.14
1979070 - Inaccessible NFS server overloads clients (native_queued_spin_lock_slowpath connotation?)
1979680 - Backport openvswitch tracepoints
1981954 - CVE-2021-3600 kernel: eBPF 32-bit source register truncation on div/mod
1986138 - Lockd invalid cast to nlm_lockowner
1989165 - CVE-2021-3679 kernel: DoS in rb_per_cpu_empty()
1989999 - ceph omnibus backport for RHEL-8.5.0
1991976 - block: fix New warning in nvme_setup_discard
1992700 - blk-mq: fix kernel panic when iterating over flush request
1995249 - CVE-2021-3732 kernel: overlayfs: Mounting overlayfs inside an unprivileged user namespace can reveal files
1996854 - dm crypt: Avoid percpu_counter spinlock contention in crypt_page_alloc()

6. Package List:

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
kernel-4.18.0-348.el8.src.rpm

aarch64:
bpftool-4.18.0-348.el8.aarch64.rpm
bpftool-debuginfo-4.18.0-348.el8.aarch64.rpm
kernel-4.18.0-348.el8.aarch64.rpm
kernel-core-4.18.0-348.el8.aarch64.rpm
kernel-cross-headers-4.18.0-348.el8.aarch64.rpm
kernel-debug-4.18.0-348.el8.aarch64.rpm
kernel-debug-core-4.18.0-348.el8.aarch64.rpm
kernel-debug-debuginfo-4.18.0-348.el8.aarch64.rpm
kernel-debug-devel-4.18.0-348.el8.aarch64.rpm
kernel-debug-modules-4.18.0-348.el8.aarch64.rpm
kernel-debug-modules-extra-4.18.0-348.el8.aarch64.rpm
kernel-debuginfo-4.18.0-348.el8.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-348.el8.aarch64.rpm
kernel-devel-4.18.0-348.el8.aarch64.rpm
kernel-headers-4.18.0-348.el8.aarch64.rpm
kernel-modules-4.18.0-348.el8.aarch64.rpm
kernel-modules-extra-4.18.0-348.el8.aarch64.rpm
kernel-tools-4.18.0-348.el8.aarch64.rpm
kernel-tools-debuginfo-4.18.0-348.el8.aarch64.rpm
kernel-tools-libs-4.18.0-348.el8.aarch64.rpm
perf-4.18.0-348.el8.aarch64.rpm
perf-debuginfo-4.18.0-348.el8.aarch64.rpm
python3-perf-4.18.0-348.el8.aarch64.rpm
python3-perf-debuginfo-4.18.0-348.el8.aarch64.rpm

noarch:
kernel-abi-stablelists-4.18.0-348.el8.noarch.rpm
kernel-doc-4.18.0-348.el8.noarch.rpm

ppc64le:
bpftool-4.18.0-348.el8.ppc64le.rpm
bpftool-debuginfo-4.18.0-348.el8.ppc64le.rpm
kernel-4.18.0-348.el8.ppc64le.rpm
kernel-core-4.18.0-348.el8.ppc64le.rpm
kernel-cross-headers-4.18.0-348.el8.ppc64le.rpm
kernel-debug-4.18.0-348.el8.ppc64le.rpm
kernel-debug-core-4.18.0-348.el8.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-348.el8.ppc64le.rpm
kernel-debug-devel-4.18.0-348.el8.ppc64le.rpm
kernel-debug-modules-4.18.0-348.el8.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-348.el8.ppc64le.rpm
kernel-debuginfo-4.18.0-348.el8.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-348.el8.ppc64le.rpm
kernel-devel-4.18.0-348.el8.ppc64le.rpm
kernel-headers-4.18.0-348.el8.ppc64le.rpm
kernel-modules-4.18.0-348.el8.ppc64le.rpm
kernel-modules-extra-4.18.0-348.el8.ppc64le.rpm
kernel-tools-4.18.0-348.el8.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-348.el8.ppc64le.rpm
kernel-tools-libs-4.18.0-348.el8.ppc64le.rpm
perf-4.18.0-348.el8.ppc64le.rpm
perf-debuginfo-4.18.0-348.el8.ppc64le.rpm
python3-perf-4.18.0-348.el8.ppc64le.rpm
python3-perf-debuginfo-4.18.0-348.el8.ppc64le.rpm

s390x:
bpftool-4.18.0-348.el8.s390x.rpm
bpftool-debuginfo-4.18.0-348.el8.s390x.rpm
kernel-4.18.0-348.el8.s390x.rpm
kernel-core-4.18.0-348.el8.s390x.rpm
kernel-cross-headers-4.18.0-348.el8.s390x.rpm
kernel-debug-4.18.0-348.el8.s390x.rpm
kernel-debug-core-4.18.0-348.el8.s390x.rpm
kernel-debug-debuginfo-4.18.0-348.el8.s390x.rpm
kernel-debug-devel-4.18.0-348.el8.s390x.rpm
kernel-debug-modules-4.18.0-348.el8.s390x.rpm
kernel-debug-modules-extra-4.18.0-348.el8.s390x.rpm
kernel-debuginfo-4.18.0-348.el8.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-348.el8.s390x.rpm
kernel-devel-4.18.0-348.el8.s390x.rpm
kernel-headers-4.18.0-348.el8.s390x.rpm
kernel-modules-4.18.0-348.el8.s390x.rpm
kernel-modules-extra-4.18.0-348.el8.s390x.rpm
kernel-tools-4.18.0-348.el8.s390x.rpm
kernel-tools-debuginfo-4.18.0-348.el8.s390x.rpm
kernel-zfcpdump-4.18.0-348.el8.s390x.rpm
kernel-zfcpdump-core-4.18.0-348.el8.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-348.el8.s390x.rpm
kernel-zfcpdump-devel-4.18.0-348.el8.s390x.rpm
kernel-zfcpdump-modules-4.18.0-348.el8.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-348.el8.s390x.rpm
perf-4.18.0-348.el8.s390x.rpm
perf-debuginfo-4.18.0-348.el8.s390x.rpm
python3-perf-4.18.0-348.el8.s390x.rpm
python3-perf-debuginfo-4.18.0-348.el8.s390x.rpm

x86_64:
bpftool-4.18.0-348.el8.x86_64.rpm
bpftool-debuginfo-4.18.0-348.el8.x86_64.rpm
kernel-4.18.0-348.el8.x86_64.rpm
kernel-core-4.18.0-348.el8.x86_64.rpm
kernel-cross-headers-4.18.0-348.el8.x86_64.rpm
kernel-debug-4.18.0-348.el8.x86_64.rpm
kernel-debug-core-4.18.0-348.el8.x86_64.rpm
kernel-debug-debuginfo-4.18.0-348.el8.x86_64.rpm
kernel-debug-devel-4.18.0-348.el8.x86_64.rpm
kernel-debug-modules-4.18.0-348.el8.x86_64.rpm
kernel-debug-modules-extra-4.18.0-348.el8.x86_64.rpm
kernel-debuginfo-4.18.0-348.el8.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-348.el8.x86_64.rpm
kernel-devel-4.18.0-348.el8.x86_64.rpm
kernel-headers-4.18.0-348.el8.x86_64.rpm
kernel-modules-4.18.0-348.el8.x86_64.rpm
kernel-modules-extra-4.18.0-348.el8.x86_64.rpm
kernel-tools-4.18.0-348.el8.x86_64.rpm
kernel-tools-debuginfo-4.18.0-348.el8.x86_64.rpm
kernel-tools-libs-4.18.0-348.el8.x86_64.rpm
perf-4.18.0-348.el8.x86_64.rpm
perf-debuginfo-4.18.0-348.el8.x86_64.rpm
python3-perf-4.18.0-348.el8.x86_64.rpm
python3-perf-debuginfo-4.18.0-348.el8.x86_64.rpm

Red Hat Enterprise Linux CRB (v. 8):

aarch64:
bpftool-debuginfo-4.18.0-348.el8.aarch64.rpm
kernel-debug-debuginfo-4.18.0-348.el8.aarch64.rpm
kernel-debuginfo-4.18.0-348.el8.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-348.el8.aarch64.rpm
kernel-tools-debuginfo-4.18.0-348.el8.aarch64.rpm
kernel-tools-libs-devel-4.18.0-348.el8.aarch64.rpm
perf-debuginfo-4.18.0-348.el8.aarch64.rpm
python3-perf-debuginfo-4.18.0-348.el8.aarch64.rpm

ppc64le:
bpftool-debuginfo-4.18.0-348.el8.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-348.el8.ppc64le.rpm
kernel-debuginfo-4.18.0-348.el8.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-348.el8.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-348.el8.ppc64le.rpm
kernel-tools-libs-devel-4.18.0-348.el8.ppc64le.rpm
perf-debuginfo-4.18.0-348.el8.ppc64le.rpm
python3-perf-debuginfo-4.18.0-348.el8.ppc64le.rpm

x86_64:
bpftool-debuginfo-4.18.0-348.el8.x86_64.rpm
kernel-debug-debuginfo-4.18.0-348.el8.x86_64.rpm
kernel-debuginfo-4.18.0-348.el8.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-348.el8.x86_64.rpm
kernel-tools-debuginfo-4.18.0-348.el8.x86_64.rpm
kernel-tools-libs-devel-4.18.0-348.el8.x86_64.rpm
perf-debuginfo-4.18.0-348.el8.x86_64.rpm
python3-perf-debuginfo-4.18.0-348.el8.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2020-0427
https://access.redhat.com/security/cve/CVE-2020-24502
https://access.redhat.com/security/cve/CVE-2020-24503
https://access.redhat.com/security/cve/CVE-2020-24504
https://access.redhat.com/security/cve/CVE-2020-24586
https://access.redhat.com/security/cve/CVE-2020-24587
https://access.redhat.com/security/cve/CVE-2020-24588
https://access.redhat.com/security/cve/CVE-2020-26139
https://access.redhat.com/security/cve/CVE-2020-26140
https://access.redhat.com/security/cve/CVE-2020-26141
https://access.redhat.com/security/cve/CVE-2020-26143
https://access.redhat.com/security/cve/CVE-2020-26144
https://access.redhat.com/security/cve/CVE-2020-26145
https://access.redhat.com/security/cve/CVE-2020-26146
https://access.redhat.com/security/cve/CVE-2020-26147
https://access.redhat.com/security/cve/CVE-2020-27777
https://access.redhat.com/security/cve/CVE-2020-29368
https://access.redhat.com/security/cve/CVE-2020-29660
https://access.redhat.com/security/cve/CVE-2020-36158
https://access.redhat.com/security/cve/CVE-2020-36386
https://access.redhat.com/security/cve/CVE-2021-0129
https://access.redhat.com/security/cve/CVE-2021-3348
https://access.redhat.com/security/cve/CVE-2021-3489
https://access.redhat.com/security/cve/CVE-2021-3564
https://access.redhat.com/security/cve/CVE-2021-3573
https://access.redhat.com/security/cve/CVE-2021-3600
https://access.redhat.com/security/cve/CVE-2021-3635
https://access.redhat.com/security/cve/CVE-2021-3659
https://access.redhat.com/security/cve/CVE-2021-3679
https://access.redhat.com/security/cve/CVE-2021-3732
https://access.redhat.com/security/cve/CVE-2021-20194
https://access.redhat.com/security/cve/CVE-2021-20239
https://access.redhat.com/security/cve/CVE-2021-23133
https://access.redhat.com/security/cve/CVE-2021-28950
https://access.redhat.com/security/cve/CVE-2021-28971
https://access.redhat.com/security/cve/CVE-2021-29155
https://access.redhat.com/security/cve/CVE-2021-29646
https://access.redhat.com/security/cve/CVE-2021-29650
https://access.redhat.com/security/cve/CVE-2021-31440
https://access.redhat.com/security/cve/CVE-2021-31829
https://access.redhat.com/security/cve/CVE-2021-31916
https://access.redhat.com/security/cve/CVE-2021-33200
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
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RedHat: RHSA-2021-4356:28 Moderate: kernel security, bug fix,

An update for kernel is now available for Red Hat Enterprise Linux 8

Summary

The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es): * kernel: out-of-bounds reads in pinctrl subsystem (CVE-2020-0427) * kernel: Improper input validation in some Intel(R) Ethernet E810 Adapter drivers (CVE-2020-24502) * kernel: Insufficient access control in some Intel(R) Ethernet E810 Adapter drivers (CVE-2020-24503) * kernel: Uncontrolled resource consumption in some Intel(R) Ethernet E810 Adapter drivers (CVE-2020-24504) * kernel: Fragmentation cache not cleared on reconnection (CVE-2020-24586) * kernel: Reassembling fragments encrypted under different keys (CVE-2020-24587) * kernel: wifi frame payload being parsed incorrectly as an L2 frame (CVE-2020-24588) * kernel: Forwarding EAPOL from unauthenticated wifi client (CVE-2020-26139) * kernel: accepting plaintext data frames in protected networks (CVE-2020-26140) * kernel: not verifying TKIP MIC of fragmented frames (CVE-2020-26141) * kernel: accepting fragmented plaintext frames in protected networks (CVE-2020-26143) * kernel: accepting unencrypted A-MSDU frames that start with RFC1042 header (CVE-2020-26144) * kernel: accepting plaintext broadcast fragments as full frames (CVE-2020-26145) * kernel: powerpc: RTAS calls can be used to compromise kernel integrity (CVE-2020-27777) * kernel: locking inconsistency in tty_io.c and tty_jobctrl.c can lead to a read-after-free (CVE-2020-29660) * kernel: buffer overflow in mwifiex_cmd_802_11_ad_hoc_start function via a long SSID value (CVE-2020-36158) * kernel: slab out-of-bounds read in hci_extended_inquiry_result_evt() (CVE-2020-36386) * kernel: Improper access control in BlueZ may allow information disclosure vulnerability. (CVE-2021-0129) * kernel: Use-after-free in ndb_queue_rq() in drivers/block/nbd.c (CVE-2021-3348) * kernel: Linux kernel eBPF RINGBUF map oversized allocation (CVE-2021-3489) * kernel: double free in bluetooth subsystem when the HCI device initialization fails (CVE-2021-3564) * kernel: use-after-free in function hci_sock_bound_ioctl() (CVE-2021-3573) * kernel: eBPF 32-bit source register truncation on div/mod (CVE-2021-3600) * kernel: DoS in rb_per_cpu_empty() (CVE-2021-3679) * kernel: Mounting overlayfs inside an unprivileged user namespace can reveal files (CVE-2021-3732) * kernel: heap overflow in __cgroup_bpf_run_filter_getsockopt() (CVE-2021-20194) * kernel: Race condition in sctp_destroy_sock list_del (CVE-2021-23133) * kernel: fuse: stall on CPU can occur because a retry loop continually finds the same bad inode (CVE-2021-28950) * kernel: System crash in intel_pmu_drain_pebs_nhm in arch/x86/events/intel/ds.c (CVE-2021-28971) * kernel: protection can be bypassed to leak content of kernel memory (CVE-2021-29155) * kernel: improper input validation in tipc_nl_retrieve_key function in net/tipc/node.c (CVE-2021-29646) * kernel: lack a full memory barrier may lead to DoS (CVE-2021-29650) * kernel: local escalation of privileges in handling of eBPF programs (CVE-2021-31440) * kernel: protection of stack pointer against speculative pointer arithmetic can be bypassed to leak content of kernel memory (CVE-2021-31829) * kernel: out-of-bounds reads and writes due to enforcing incorrect limits for pointer arithmetic operations by BPF verifier (CVE-2021-33200) * kernel: reassembling encrypted fragments with non-consecutive packet numbers (CVE-2020-26146) * kernel: reassembling mixed encrypted/plaintext fragments (CVE-2020-26147) * kernel: the copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check (CVE-2020-29368) * kernel: flowtable list del corruption with kernel BUG at lib/list_debug.c:50 (CVE-2021-3635) * kernel: NULL pointer dereference in llsec_key_alloc() in net/mac802154/llsec.c (CVE-2021-3659) * kernel: setsockopt System Call Untrusted Pointer Dereference Information Disclosure (CVE-2021-20239) * kernel: out of bounds array access in drivers/md/dm-ioctl.c (CVE-2021-31916)



Summary


Solution

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
The system must be rebooted for this update to take effect.

References

https://access.redhat.com/security/cve/CVE-2020-0427 https://access.redhat.com/security/cve/CVE-2020-24502 https://access.redhat.com/security/cve/CVE-2020-24503 https://access.redhat.com/security/cve/CVE-2020-24504 https://access.redhat.com/security/cve/CVE-2020-24586 https://access.redhat.com/security/cve/CVE-2020-24587 https://access.redhat.com/security/cve/CVE-2020-24588 https://access.redhat.com/security/cve/CVE-2020-26139 https://access.redhat.com/security/cve/CVE-2020-26140 https://access.redhat.com/security/cve/CVE-2020-26141 https://access.redhat.com/security/cve/CVE-2020-26143 https://access.redhat.com/security/cve/CVE-2020-26144 https://access.redhat.com/security/cve/CVE-2020-26145 https://access.redhat.com/security/cve/CVE-2020-26146 https://access.redhat.com/security/cve/CVE-2020-26147 https://access.redhat.com/security/cve/CVE-2020-27777 https://access.redhat.com/security/cve/CVE-2020-29368 https://access.redhat.com/security/cve/CVE-2020-29660 https://access.redhat.com/security/cve/CVE-2020-36158 https://access.redhat.com/security/cve/CVE-2020-36386 https://access.redhat.com/security/cve/CVE-2021-0129 https://access.redhat.com/security/cve/CVE-2021-3348 https://access.redhat.com/security/cve/CVE-2021-3489 https://access.redhat.com/security/cve/CVE-2021-3564 https://access.redhat.com/security/cve/CVE-2021-3573 https://access.redhat.com/security/cve/CVE-2021-3600 https://access.redhat.com/security/cve/CVE-2021-3635 https://access.redhat.com/security/cve/CVE-2021-3659 https://access.redhat.com/security/cve/CVE-2021-3679 https://access.redhat.com/security/cve/CVE-2021-3732 https://access.redhat.com/security/cve/CVE-2021-20194 https://access.redhat.com/security/cve/CVE-2021-20239 https://access.redhat.com/security/cve/CVE-2021-23133 https://access.redhat.com/security/cve/CVE-2021-28950 https://access.redhat.com/security/cve/CVE-2021-28971 https://access.redhat.com/security/cve/CVE-2021-29155 https://access.redhat.com/security/cve/CVE-2021-29646 https://access.redhat.com/security/cve/CVE-2021-29650 https://access.redhat.com/security/cve/CVE-2021-31440 https://access.redhat.com/security/cve/CVE-2021-31829 https://access.redhat.com/security/cve/CVE-2021-31916 https://access.redhat.com/security/cve/CVE-2021-33200 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/

Package List

Red Hat Enterprise Linux BaseOS (v. 8):
Source: kernel-4.18.0-348.el8.src.rpm
aarch64: bpftool-4.18.0-348.el8.aarch64.rpm bpftool-debuginfo-4.18.0-348.el8.aarch64.rpm kernel-4.18.0-348.el8.aarch64.rpm kernel-core-4.18.0-348.el8.aarch64.rpm kernel-cross-headers-4.18.0-348.el8.aarch64.rpm kernel-debug-4.18.0-348.el8.aarch64.rpm kernel-debug-core-4.18.0-348.el8.aarch64.rpm kernel-debug-debuginfo-4.18.0-348.el8.aarch64.rpm kernel-debug-devel-4.18.0-348.el8.aarch64.rpm kernel-debug-modules-4.18.0-348.el8.aarch64.rpm kernel-debug-modules-extra-4.18.0-348.el8.aarch64.rpm kernel-debuginfo-4.18.0-348.el8.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-348.el8.aarch64.rpm kernel-devel-4.18.0-348.el8.aarch64.rpm kernel-headers-4.18.0-348.el8.aarch64.rpm kernel-modules-4.18.0-348.el8.aarch64.rpm kernel-modules-extra-4.18.0-348.el8.aarch64.rpm kernel-tools-4.18.0-348.el8.aarch64.rpm kernel-tools-debuginfo-4.18.0-348.el8.aarch64.rpm kernel-tools-libs-4.18.0-348.el8.aarch64.rpm perf-4.18.0-348.el8.aarch64.rpm perf-debuginfo-4.18.0-348.el8.aarch64.rpm python3-perf-4.18.0-348.el8.aarch64.rpm python3-perf-debuginfo-4.18.0-348.el8.aarch64.rpm
noarch: kernel-abi-stablelists-4.18.0-348.el8.noarch.rpm kernel-doc-4.18.0-348.el8.noarch.rpm
ppc64le: bpftool-4.18.0-348.el8.ppc64le.rpm bpftool-debuginfo-4.18.0-348.el8.ppc64le.rpm kernel-4.18.0-348.el8.ppc64le.rpm kernel-core-4.18.0-348.el8.ppc64le.rpm kernel-cross-headers-4.18.0-348.el8.ppc64le.rpm kernel-debug-4.18.0-348.el8.ppc64le.rpm kernel-debug-core-4.18.0-348.el8.ppc64le.rpm kernel-debug-debuginfo-4.18.0-348.el8.ppc64le.rpm kernel-debug-devel-4.18.0-348.el8.ppc64le.rpm kernel-debug-modules-4.18.0-348.el8.ppc64le.rpm kernel-debug-modules-extra-4.18.0-348.el8.ppc64le.rpm kernel-debuginfo-4.18.0-348.el8.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-348.el8.ppc64le.rpm kernel-devel-4.18.0-348.el8.ppc64le.rpm kernel-headers-4.18.0-348.el8.ppc64le.rpm kernel-modules-4.18.0-348.el8.ppc64le.rpm kernel-modules-extra-4.18.0-348.el8.ppc64le.rpm kernel-tools-4.18.0-348.el8.ppc64le.rpm kernel-tools-debuginfo-4.18.0-348.el8.ppc64le.rpm kernel-tools-libs-4.18.0-348.el8.ppc64le.rpm perf-4.18.0-348.el8.ppc64le.rpm perf-debuginfo-4.18.0-348.el8.ppc64le.rpm python3-perf-4.18.0-348.el8.ppc64le.rpm python3-perf-debuginfo-4.18.0-348.el8.ppc64le.rpm
s390x: bpftool-4.18.0-348.el8.s390x.rpm bpftool-debuginfo-4.18.0-348.el8.s390x.rpm kernel-4.18.0-348.el8.s390x.rpm kernel-core-4.18.0-348.el8.s390x.rpm kernel-cross-headers-4.18.0-348.el8.s390x.rpm kernel-debug-4.18.0-348.el8.s390x.rpm kernel-debug-core-4.18.0-348.el8.s390x.rpm kernel-debug-debuginfo-4.18.0-348.el8.s390x.rpm kernel-debug-devel-4.18.0-348.el8.s390x.rpm kernel-debug-modules-4.18.0-348.el8.s390x.rpm kernel-debug-modules-extra-4.18.0-348.el8.s390x.rpm kernel-debuginfo-4.18.0-348.el8.s390x.rpm kernel-debuginfo-common-s390x-4.18.0-348.el8.s390x.rpm kernel-devel-4.18.0-348.el8.s390x.rpm kernel-headers-4.18.0-348.el8.s390x.rpm kernel-modules-4.18.0-348.el8.s390x.rpm kernel-modules-extra-4.18.0-348.el8.s390x.rpm kernel-tools-4.18.0-348.el8.s390x.rpm kernel-tools-debuginfo-4.18.0-348.el8.s390x.rpm kernel-zfcpdump-4.18.0-348.el8.s390x.rpm kernel-zfcpdump-core-4.18.0-348.el8.s390x.rpm kernel-zfcpdump-debuginfo-4.18.0-348.el8.s390x.rpm kernel-zfcpdump-devel-4.18.0-348.el8.s390x.rpm kernel-zfcpdump-modules-4.18.0-348.el8.s390x.rpm kernel-zfcpdump-modules-extra-4.18.0-348.el8.s390x.rpm perf-4.18.0-348.el8.s390x.rpm perf-debuginfo-4.18.0-348.el8.s390x.rpm python3-perf-4.18.0-348.el8.s390x.rpm python3-perf-debuginfo-4.18.0-348.el8.s390x.rpm
x86_64: bpftool-4.18.0-348.el8.x86_64.rpm bpftool-debuginfo-4.18.0-348.el8.x86_64.rpm kernel-4.18.0-348.el8.x86_64.rpm kernel-core-4.18.0-348.el8.x86_64.rpm kernel-cross-headers-4.18.0-348.el8.x86_64.rpm kernel-debug-4.18.0-348.el8.x86_64.rpm kernel-debug-core-4.18.0-348.el8.x86_64.rpm kernel-debug-debuginfo-4.18.0-348.el8.x86_64.rpm kernel-debug-devel-4.18.0-348.el8.x86_64.rpm kernel-debug-modules-4.18.0-348.el8.x86_64.rpm kernel-debug-modules-extra-4.18.0-348.el8.x86_64.rpm kernel-debuginfo-4.18.0-348.el8.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-348.el8.x86_64.rpm kernel-devel-4.18.0-348.el8.x86_64.rpm kernel-headers-4.18.0-348.el8.x86_64.rpm kernel-modules-4.18.0-348.el8.x86_64.rpm kernel-modules-extra-4.18.0-348.el8.x86_64.rpm kernel-tools-4.18.0-348.el8.x86_64.rpm kernel-tools-debuginfo-4.18.0-348.el8.x86_64.rpm kernel-tools-libs-4.18.0-348.el8.x86_64.rpm perf-4.18.0-348.el8.x86_64.rpm perf-debuginfo-4.18.0-348.el8.x86_64.rpm python3-perf-4.18.0-348.el8.x86_64.rpm python3-perf-debuginfo-4.18.0-348.el8.x86_64.rpm
Red Hat Enterprise Linux CRB (v. 8):
aarch64: bpftool-debuginfo-4.18.0-348.el8.aarch64.rpm kernel-debug-debuginfo-4.18.0-348.el8.aarch64.rpm kernel-debuginfo-4.18.0-348.el8.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-348.el8.aarch64.rpm kernel-tools-debuginfo-4.18.0-348.el8.aarch64.rpm kernel-tools-libs-devel-4.18.0-348.el8.aarch64.rpm perf-debuginfo-4.18.0-348.el8.aarch64.rpm python3-perf-debuginfo-4.18.0-348.el8.aarch64.rpm
ppc64le: bpftool-debuginfo-4.18.0-348.el8.ppc64le.rpm kernel-debug-debuginfo-4.18.0-348.el8.ppc64le.rpm kernel-debuginfo-4.18.0-348.el8.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-348.el8.ppc64le.rpm kernel-tools-debuginfo-4.18.0-348.el8.ppc64le.rpm kernel-tools-libs-devel-4.18.0-348.el8.ppc64le.rpm perf-debuginfo-4.18.0-348.el8.ppc64le.rpm python3-perf-debuginfo-4.18.0-348.el8.ppc64le.rpm
x86_64: bpftool-debuginfo-4.18.0-348.el8.x86_64.rpm kernel-debug-debuginfo-4.18.0-348.el8.x86_64.rpm kernel-debuginfo-4.18.0-348.el8.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-348.el8.x86_64.rpm kernel-tools-debuginfo-4.18.0-348.el8.x86_64.rpm kernel-tools-libs-devel-4.18.0-348.el8.x86_64.rpm perf-debuginfo-4.18.0-348.el8.x86_64.rpm python3-perf-debuginfo-4.18.0-348.el8.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/


Severity
Advisory ID: RHSA-2021:4356-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:4356
Issued Date: : 2021-11-09
CVE Names: CVE-2020-0427 CVE-2020-24502 CVE-2020-24503 CVE-2020-24504 CVE-2020-24586 CVE-2020-24587 CVE-2020-24588 CVE-2020-26139 CVE-2020-26140 CVE-2020-26141 CVE-2020-26143 CVE-2020-26144 CVE-2020-26145 CVE-2020-26146 CVE-2020-26147 CVE-2020-27777 CVE-2020-29368 CVE-2020-29660 CVE-2020-36158 CVE-2020-36386 CVE-2021-0129 CVE-2021-3348 CVE-2021-3489 CVE-2021-3564 CVE-2021-3573 CVE-2021-3600 CVE-2021-3635 CVE-2021-3659 CVE-2021-3679 CVE-2021-3732 CVE-2021-20194 CVE-2021-20239 CVE-2021-23133 CVE-2021-28950 CVE-2021-28971 CVE-2021-29155 CVE-2021-29646 CVE-2021-29650 CVE-2021-31440 CVE-2021-31829 CVE-2021-31916 CVE-2021-33200

Topic

An update for kernel is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.


Topic


 

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

Red Hat Enterprise Linux CRB (v. 8) - aarch64, ppc64le, x86_64


Bugs Fixed

1509204 - dlm: Add ability to set SO_MARK on DLM sockets

1793880 - Unreliable RTC synchronization (11-minute mode)

1816493 - [RHEL 8.3] Discard request from mkfs.xfs takes too much time on raid10

1900844 - CVE-2020-27777 kernel: powerpc: RTAS calls can be used to compromise kernel integrity

1903244 - CVE-2020-29368 kernel: the copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check

1906522 - CVE-2020-29660 kernel: locking inconsistency in drivers/tty/tty_io.c and drivers/tty/tty_jobctrl.c can lead to a read-after-free

1912683 - CVE-2021-20194 kernel: heap overflow in __cgroup_bpf_run_filter_getsockopt()

1913348 - CVE-2020-36158 kernel: buffer overflow in mwifiex_cmd_802_11_ad_hoc_start function in drivers/net/wireless/marvell/mwifiex/join.c via a long SSID value

1915825 - Allow falling back to genfscon labeling when the FS doesn't support xattrs and there is a fs_use_xattr rule for it

1919893 - CVE-2020-0427 kernel: out-of-bounds reads in pinctrl subsystem.

1921958 - CVE-2021-3348 kernel: Use-after-free in ndb_queue_rq() in drivers/block/nbd.c

1923636 - CVE-2021-20239 kernel: setsockopt System Call Untrusted Pointer Dereference Information Disclosure

1930376 - CVE-2020-24504 kernel: Uncontrolled resource consumption in some Intel(R) Ethernet E810 Adapter drivers1930379 - CVE-2020-24502 kernel: Improper input validation in some Intel(R) Ethernet E810 Adapter drivers1930381 - CVE-2020-24503 kernel: Insufficient access control in some Intel(R) Ethernet E810 Adapter drivers1933527 - Files on cifs mount can get mixed contents when underlying file is removed but inode number is reused, when mounted with 'serverino' and 'cache=strict '

1939341 - CNB: net: add inline function skb_csum_is_sctp

1941762 - CVE-2021-28950 kernel: fuse: stall on CPU can occur because a retry loop continually finds the same bad inode

1941784 - CVE-2021-28971 kernel: System crash in intel_pmu_drain_pebs_nhm in arch/x86/events/intel/ds.c

1945345 - CVE-2021-29646 kernel: improper input validation in tipc_nl_retrieve_key function in net/tipc/node.c

1945388 - CVE-2021-29650 kernel: lack a full memory barrier upon the assignment of a new table value in net/netfilter/x_tables.c and include/linux/netfilter/x_tables.h may lead to DoS

1946965 - CVE-2021-31916 kernel: out of bounds array access in drivers/md/dm-ioctl.c

1948772 - CVE-2021-23133 kernel: Race condition in sctp_destroy_sock list_del

1951595 - CVE-2021-29155 kernel: protection for sequences of pointer arithmetic operations against speculatively out-of-bounds loads can be bypassed to leak content of kernel memory

1953847 - [ethtool] The `NLM_F_MULTI` should be used for `NLM_F_DUMP`

1954588 - RHEL kernel 8.2 and higher are affected by data corruption bug in raid1 arrays using bitmaps.

1957788 - CVE-2021-31829 kernel: protection of stack pointer against speculative pointer arithmetic can be bypassed to leak content of kernel memory

1959559 - CVE-2021-3489 kernel: Linux kernel eBPF RINGBUF map oversized allocation

1959642 - CVE-2020-24586 kernel: Fragmentation cache not cleared on reconnection

1959654 - CVE-2020-24587 kernel: Reassembling fragments encrypted under different keys

1959657 - CVE-2020-24588 kernel: wifi frame payload being parsed incorrectly as an L2 frame

1959663 - CVE-2020-26139 kernel: Forwarding EAPOL from unauthenticated wifi client

1960490 - CVE-2020-26140 kernel: accepting plaintext data frames in protected networks

1960492 - CVE-2020-26141 kernel: not verifying TKIP MIC of fragmented frames

1960496 - CVE-2020-26143 kernel: accepting fragmented plaintext frames in protected networks

1960498 - CVE-2020-26144 kernel: accepting unencrypted A-MSDU frames that start with RFC1042 header

1960500 - CVE-2020-26145 kernel: accepting plaintext broadcast fragments as full frames

1960502 - CVE-2020-26146 kernel: reassembling encrypted fragments with non-consecutive packet numbers1960504 - CVE-2020-26147 kernel: reassembling mixed encrypted/plaintext fragments

1960708 - please add CAP_CHECKPOINT_RESTORE to capability.h

1964028 - CVE-2021-31440 kernel: local escalation of privileges in handling of eBPF programs

1964139 - CVE-2021-3564 kernel: double free in bluetooth subsystem when the HCI device initialization fails

1965038 - CVE-2021-0129 kernel: Improper access control in BlueZ may allow information disclosure vulnerability.

1965360 - kernel: get_timespec64 does not ignore padding in compat syscalls

1965458 - CVE-2021-33200 kernel: out-of-bounds reads and writes due to enforcing incorrect limits for pointer arithmetic operations by BPF verifier

1966578 - CVE-2021-3573 kernel: use-after-free in function hci_sock_bound_ioctl()

1969489 - CVE-2020-36386 kernel: slab out-of-bounds read in hci_extended_inquiry_result_evt() in net/bluetooth/hci_event.c

1971101 - ceph: potential data corruption in cephfs write_begin codepath

1972278 - libceph: allow addrvecs with a single NONE/blank address

1974627 - [TIPC] kernel BUG at lib/list_debug.c:31!

1975182 - CVE-2021-33909 kernel: size_t-to-int conversion vulnerability in the filesystem layer [rhel-8.5.0]

1975949 - CVE-2021-3659 kernel: NULL pointer dereference in llsec_key_alloc() in net/mac802154/llsec.c

1976679 - blk-mq: fix/improve io scheduler batching dispatch

1976699 - [SCTP]WARNING: CPU: 29 PID: 3165 at mm/page_alloc.c:4579 __alloc_pages_slowpath+0xb74/0xd00

1976946 - CVE-2021-3635 kernel: flowtable list del corruption with kernel BUG at lib/list_debug.c:50

1976969 - XFS: followup to XFS sync to upstream v5.10 (re BZ1937116)

1977162 - [XDP] test program warning: libbpf: elf: skipping unrecognized data section(16) .eh_frame

1977422 - Missing backport of IMA boot aggregate calculation in rhel 8.4 kernel

1977537 - RHEL8.5: Update the kernel workqueue code to v5.12 level

1977850 - geneve virtual devices lack the NETIF_F_FRAGLIST feature

1978369 - dm writecache: sync with upstream 5.14

1979070 - Inaccessible NFS server overloads clients (native_queued_spin_lock_slowpath connotation?)

1979680 - Backport openvswitch tracepoints

1981954 - CVE-2021-3600 kernel: eBPF 32-bit source register truncation on div/mod

1986138 - Lockd invalid cast to nlm_lockowner

1989165 - CVE-2021-3679 kernel: DoS in rb_per_cpu_empty()

1989999 - ceph omnibus backport for RHEL-8.5.0

1991976 - block: fix New warning in nvme_setup_discard

1992700 - blk-mq: fix kernel panic when iterating over flush request

1995249 - CVE-2021-3732 kernel: overlayfs: Mounting overlayfs inside an unprivileged user namespace can reveal files

1996854 - dm crypt: Avoid percpu_counter spinlock contention in crypt_page_alloc()


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