RedHat: RHSA-2020-5023:01 Moderate: kernel security and bug fix update
Summary
The kernel packages contain the Linux kernel, the core of any Linux
operating system.
Security Fix(es):
* kernel: buffer over write in vgacon_scroll (CVE-2020-14331)
* kernel: net-sysfs: *_queue_add_kobject refcount issue (CVE-2019-20811)
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.
Bug Fix(es):
* [OSP13,mlx5] SRIOV VF still sending traffic when PF is down (BZ#1733181)
* gpf panic in virtio_check_driver_offered_fxature+6 when running sg_inq on
a dm map for a lost virtio_blk (BZ#1811893)
* GPF panic in qlt_free_session_done+626 (BZ#1826127)
* [ Brazos ] "Core(s) per socket" and "Socket" values are interchanged in
lscpu output. (kernel) (BZ#1826306)
* megaraid Aero: call trace observed during reboots (BZ#1828312)
* Crash in mptscsih_io_done() due to buffer overrun in sense_buf_pool
(BZ#1829803)
* The qedf driver fails to re-establish the online F/C port state when the
downstream F/C port is toggled unless a LIP is forced (BZ#1836443)
* tcp_fragment() limit causes packet drop under normal TCP load
(BZ#1847765)
* ip link command shows state as UNKNOWN for MACVLAN interface (BZ#1848950)
* Lenovo TS 7Z60 Cooper Lake: PCI BAR firmware bug (BZ#1849223)
* [RHEL-7/mlx4] ipoib_flush ipoib_ib_dev_flush_light [ib_ipoib]
(BZ#1858707)
* Uprobes crashes processes under GDB - SIGTRAP and SIGSEGV (BZ#1861396)
* kernel-3.10.0-1127.19.1.el7.x86_64 crashes after an SSH connection
attempt when running as a Xen PV guest on AMD Epyc Rome (BZ#1882468)
* Null ptr deref after nf_reinject->nf_queue_entry_release_refs hits
Attempt to release error doing inet_sock_destruct() (BZ#1885682)
Users of kernel are advised to upgrade to these updated packages, which fix
these bugs.
Summary
Solution
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-2019-20811 https://access.redhat.com/security/cve/CVE-2020-14331 https://access.redhat.com/security/updates/classification/#moderate
Package List
Red Hat Enterprise Linux Client (v. 7):
Source:
kernel-3.10.0-1160.6.1.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-1160.6.1.el7.noarch.rpm
kernel-doc-3.10.0-1160.6.1.el7.noarch.rpm
x86_64:
bpftool-3.10.0-1160.6.1.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debug-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-devel-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-headers-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-tools-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1160.6.1.el7.x86_64.rpm
perf-3.10.0-1160.6.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
python-perf-3.10.0-1160.6.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64:
bpftool-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1160.6.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source:
kernel-3.10.0-1160.6.1.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-1160.6.1.el7.noarch.rpm
kernel-doc-3.10.0-1160.6.1.el7.noarch.rpm
x86_64:
bpftool-3.10.0-1160.6.1.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debug-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-devel-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-headers-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-tools-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1160.6.1.el7.x86_64.rpm
perf-3.10.0-1160.6.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
python-perf-3.10.0-1160.6.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64:
bpftool-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1160.6.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
kernel-3.10.0-1160.6.1.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-1160.6.1.el7.noarch.rpm
kernel-doc-3.10.0-1160.6.1.el7.noarch.rpm
ppc64:
bpftool-3.10.0-1160.6.1.el7.ppc64.rpm
bpftool-debuginfo-3.10.0-1160.6.1.el7.ppc64.rpm
kernel-3.10.0-1160.6.1.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-1160.6.1.el7.ppc64.rpm
kernel-debug-3.10.0-1160.6.1.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-1160.6.1.el7.ppc64.rpm
kernel-debug-devel-3.10.0-1160.6.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-1160.6.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-1160.6.1.el7.ppc64.rpm
kernel-devel-3.10.0-1160.6.1.el7.ppc64.rpm
kernel-headers-3.10.0-1160.6.1.el7.ppc64.rpm
kernel-tools-3.10.0-1160.6.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-1160.6.1.el7.ppc64.rpm
kernel-tools-libs-3.10.0-1160.6.1.el7.ppc64.rpm
perf-3.10.0-1160.6.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-1160.6.1.el7.ppc64.rpm
python-perf-3.10.0-1160.6.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-1160.6.1.el7.ppc64.rpm
ppc64le:
bpftool-3.10.0-1160.6.1.el7.ppc64le.rpm
bpftool-debuginfo-3.10.0-1160.6.1.el7.ppc64le.rpm
kernel-3.10.0-1160.6.1.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-1160.6.1.el7.ppc64le.rpm
kernel-debug-3.10.0-1160.6.1.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-1160.6.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-1160.6.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-1160.6.1.el7.ppc64le.rpm
kernel-devel-3.10.0-1160.6.1.el7.ppc64le.rpm
kernel-headers-3.10.0-1160.6.1.el7.ppc64le.rpm
kernel-tools-3.10.0-1160.6.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-1160.6.1.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-1160.6.1.el7.ppc64le.rpm
perf-3.10.0-1160.6.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-1160.6.1.el7.ppc64le.rpm
python-perf-3.10.0-1160.6.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-1160.6.1.el7.ppc64le.rpm
s390x:
bpftool-3.10.0-1160.6.1.el7.s390x.rpm
bpftool-debuginfo-3.10.0-1160.6.1.el7.s390x.rpm
kernel-3.10.0-1160.6.1.el7.s390x.rpm
kernel-debug-3.10.0-1160.6.1.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-1160.6.1.el7.s390x.rpm
kernel-debug-devel-3.10.0-1160.6.1.el7.s390x.rpm
kernel-debuginfo-3.10.0-1160.6.1.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-1160.6.1.el7.s390x.rpm
kernel-devel-3.10.0-1160.6.1.el7.s390x.rpm
kernel-headers-3.10.0-1160.6.1.el7.s390x.rpm
kernel-kdump-3.10.0-1160.6.1.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-1160.6.1.el7.s390x.rpm
kernel-kdump-devel-3.10.0-1160.6.1.el7.s390x.rpm
perf-3.10.0-1160.6.1.el7.s390x.rpm
perf-debuginfo-3.10.0-1160.6.1.el7.s390x.rpm
python-perf-3.10.0-1160.6.1.el7.s390x.rpm
python-perf-debuginfo-3.10.0-1160.6.1.el7.s390x.rpm
x86_64:
bpftool-3.10.0-1160.6.1.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debug-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-devel-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-headers-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-tools-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1160.6.1.el7.x86_64.rpm
perf-3.10.0-1160.6.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
python-perf-3.10.0-1160.6.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64:
bpftool-debuginfo-3.10.0-1160.6.1.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-1160.6.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-1160.6.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-1160.6.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-1160.6.1.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-1160.6.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-1160.6.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-1160.6.1.el7.ppc64.rpm
ppc64le:
bpftool-debuginfo-3.10.0-1160.6.1.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-1160.6.1.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-1160.6.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-1160.6.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-1160.6.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-1160.6.1.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-1160.6.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-1160.6.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-1160.6.1.el7.ppc64le.rpm
x86_64:
bpftool-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1160.6.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
kernel-3.10.0-1160.6.1.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-1160.6.1.el7.noarch.rpm
kernel-doc-3.10.0-1160.6.1.el7.noarch.rpm
x86_64:
bpftool-3.10.0-1160.6.1.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debug-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-devel-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-headers-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-tools-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1160.6.1.el7.x86_64.rpm
perf-3.10.0-1160.6.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
python-perf-3.10.0-1160.6.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64:
bpftool-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1160.6.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.6.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.6.1.el7.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/
Topic
An update for kernel is now available for Red Hat Enterprise Linux 7.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 Client (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64
Bugs Fixed
1846439 - CVE-2019-20811 kernel: net-sysfs: *_queue_add_kobject refcount issue
1858679 - CVE-2020-14331 kernel: kernel: buffer over write in vgacon_scroll