RedHat: RHSA-2023-2736:01 Important: kernel-rt
Summary
The kernel-rt packages provide the Real Time Linux Kernel, which enables
fine-tuning for systems with extremely high determinism requirements.
Security Fix(es):
* use-after-free caused by l2cap_reassemble_sdu() in
net/bluetooth/l2cap_core.c (CVE-2022-3564)
* net/ulp: use-after-free in listening ULP sockets (CVE-2023-0461)
* hw: cpu: AMD CPUs may transiently execute beyond unconditional direct
branch (CVE-2021-26341)
* malicious data for FBIOPUT_VSCREENINFO ioctl may cause OOB write memory
(CVE-2021-33655)
* when setting font with malicious data by ioctl PIO_FONT, kernel will
write memory out of bounds (CVE-2021-33656)
* possible race condition in drivers/tty/tty_buffers.c (CVE-2022-1462)
* use-after-free in ath9k_htc_probe_device() could cause an escalation of
privileges (CVE-2022-1679)
* KVM: NULL pointer dereference in kvm_mmu_invpcid_gva (CVE-2022-1789)
* KVM: nVMX: missing IBPB when exiting from nested guest can lead to
Spectre v2 attacks (CVE-2022-2196)
* netfilter: nf_conntrack_irc message handling issue (CVE-2022-2663)
* race condition in xfrm_probe_algs can lead to OOB read/write
(CVE-2022-3028)
* media: em28xx: initialize refcount before kref_get (CVE-2022-3239)
* race condition in hugetlb_no_page() in mm/hugetlb.c (CVE-2022-3522)
* memory leak in ipv6_renew_options() (CVE-2022-3524)
* data races around icsk->icsk_af_ops in do_ipv6_setsockopt (CVE-2022-3566)
* data races around sk->sk_prot (CVE-2022-3567)
* memory leak in l2cap_recv_acldata of the file net/bluetooth/l2cap_core.c
(CVE-2022-3619)
* denial of service in follow_page_pte in mm/gup.c due to poisoned pte
entry (CVE-2022-3623)
* use-after-free after failed devlink reload in devlink_param_get
(CVE-2022-3625)
* USB-accessible buffer overflow in brcmfmac (CVE-2022-3628)
* Double-free in split_2MB_gtt_entry when function
intel_gvt_dma_map_guest_page failed (CVE-2022-3707)
* l2tp: missing lock when clearing sk_user_data can lead to NULL pointer
dereference (CVE-2022-4129)
* igmp: use-after-free in ip_check_mc_rcu when opening and closing inet
sockets (CVE-2022-20141)
* Executable Space Protection Bypass (CVE-2022-25265)
* Unprivileged users may use PTRACE_SEIZE to set PTRACE_O_SUSPEND_SECCOMP
option (CVE-2022-30594)
* unmap_mapping_range() race with munmap() on VM_PFNMAP mappings leads to
stale TLB entry (CVE-2022-39188)
* TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED leading
to guest malfunctioning (CVE-2022-39189)
* Report vmalloc UAF in dvb-core/dmxdev (CVE-2022-41218)
* u8 overflow problem in cfg80211_update_notlisted_nontrans()
(CVE-2022-41674)
* use-after-free related to leaf anon_vma double reuse (CVE-2022-42703)
* use-after-free in bss_ref_get in net/wireless/scan.c (CVE-2022-42720)
* BSS list corruption in cfg80211_add_nontrans_list in net/wireless/scan.c
(CVE-2022-42721)
* Denial of service in beacon protection for P2P-device (CVE-2022-42722)
* memory corruption in usbmon driver (CVE-2022-43750)
* NULL pointer dereference in traffic control subsystem (CVE-2022-47929)
* NULL pointer dereference in rawv6_push_pending_frames (CVE-2023-0394)
* use-after-free caused by invalid pointer hostname in fs/cifs/connect.c
(CVE-2023-1195)
* Soft lockup occurred during __page_mapcount (CVE-2023-1582)
* slab-out-of-bounds read vulnerabilities in cbq_classify (CVE-2023-23454)
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 8.8 Release Notes linked from the References section.
Summary
Solution
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
For details on how to apply this update, refer to:
https://access.redhat.com/articles/11258
References
https://access.redhat.com/security/cve/CVE-2021-26341 https://access.redhat.com/security/cve/CVE-2021-33655 https://access.redhat.com/security/cve/CVE-2021-33656 https://access.redhat.com/security/cve/CVE-2022-1462 https://access.redhat.com/security/cve/CVE-2022-1679 https://access.redhat.com/security/cve/CVE-2022-1789 https://access.redhat.com/security/cve/CVE-2022-2196 https://access.redhat.com/security/cve/CVE-2022-2663 https://access.redhat.com/security/cve/CVE-2022-3028 https://access.redhat.com/security/cve/CVE-2022-3239 https://access.redhat.com/security/cve/CVE-2022-3522 https://access.redhat.com/security/cve/CVE-2022-3524 https://access.redhat.com/security/cve/CVE-2022-3564 https://access.redhat.com/security/cve/CVE-2022-3566 https://access.redhat.com/security/cve/CVE-2022-3567 https://access.redhat.com/security/cve/CVE-2022-3619 https://access.redhat.com/security/cve/CVE-2022-3623 https://access.redhat.com/security/cve/CVE-2022-3625 https://access.redhat.com/security/cve/CVE-2022-3628 https://access.redhat.com/security/cve/CVE-2022-3707 https://access.redhat.com/security/cve/CVE-2022-4129 https://access.redhat.com/security/cve/CVE-2022-20141 https://access.redhat.com/security/cve/CVE-2022-25265 https://access.redhat.com/security/cve/CVE-2022-30594 https://access.redhat.com/security/cve/CVE-2022-39188 https://access.redhat.com/security/cve/CVE-2022-39189 https://access.redhat.com/security/cve/CVE-2022-41218 https://access.redhat.com/security/cve/CVE-2022-41674 https://access.redhat.com/security/cve/CVE-2022-42703 https://access.redhat.com/security/cve/CVE-2022-42720 https://access.redhat.com/security/cve/CVE-2022-42721 https://access.redhat.com/security/cve/CVE-2022-42722 https://access.redhat.com/security/cve/CVE-2022-43750 https://access.redhat.com/security/cve/CVE-2022-47929 https://access.redhat.com/security/cve/CVE-2023-0394 https://access.redhat.com/security/cve/CVE-2023-0461 https://access.redhat.com/security/cve/CVE-2023-1195 https://access.redhat.com/security/cve/CVE-2023-1582 https://access.redhat.com/security/cve/CVE-2023-23454 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.8_release_notes/index
Package List
Red Hat Enterprise Linux NFV (v. 8):
Source:
kernel-rt-4.18.0-477.10.1.rt7.274.el8_8.src.rpm
x86_64:
kernel-rt-4.18.0-477.10.1.rt7.274.el8_8.x86_64.rpm
kernel-rt-core-4.18.0-477.10.1.rt7.274.el8_8.x86_64.rpm
kernel-rt-debug-4.18.0-477.10.1.rt7.274.el8_8.x86_64.rpm
kernel-rt-debug-core-4.18.0-477.10.1.rt7.274.el8_8.x86_64.rpm
kernel-rt-debug-debuginfo-4.18.0-477.10.1.rt7.274.el8_8.x86_64.rpm
kernel-rt-debug-devel-4.18.0-477.10.1.rt7.274.el8_8.x86_64.rpm
kernel-rt-debug-kvm-4.18.0-477.10.1.rt7.274.el8_8.x86_64.rpm
kernel-rt-debug-modules-4.18.0-477.10.1.rt7.274.el8_8.x86_64.rpm
kernel-rt-debug-modules-extra-4.18.0-477.10.1.rt7.274.el8_8.x86_64.rpm
kernel-rt-debuginfo-4.18.0-477.10.1.rt7.274.el8_8.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-4.18.0-477.10.1.rt7.274.el8_8.x86_64.rpm
kernel-rt-devel-4.18.0-477.10.1.rt7.274.el8_8.x86_64.rpm
kernel-rt-kvm-4.18.0-477.10.1.rt7.274.el8_8.x86_64.rpm
kernel-rt-modules-4.18.0-477.10.1.rt7.274.el8_8.x86_64.rpm
kernel-rt-modules-extra-4.18.0-477.10.1.rt7.274.el8_8.x86_64.rpm
Red Hat Enterprise Linux RT (v. 8):
Source:
kernel-rt-4.18.0-477.10.1.rt7.274.el8_8.src.rpm
x86_64:
kernel-rt-4.18.0-477.10.1.rt7.274.el8_8.x86_64.rpm
kernel-rt-core-4.18.0-477.10.1.rt7.274.el8_8.x86_64.rpm
kernel-rt-debug-4.18.0-477.10.1.rt7.274.el8_8.x86_64.rpm
kernel-rt-debug-core-4.18.0-477.10.1.rt7.274.el8_8.x86_64.rpm
kernel-rt-debug-debuginfo-4.18.0-477.10.1.rt7.274.el8_8.x86_64.rpm
kernel-rt-debug-devel-4.18.0-477.10.1.rt7.274.el8_8.x86_64.rpm
kernel-rt-debug-modules-4.18.0-477.10.1.rt7.274.el8_8.x86_64.rpm
kernel-rt-debug-modules-extra-4.18.0-477.10.1.rt7.274.el8_8.x86_64.rpm
kernel-rt-debuginfo-4.18.0-477.10.1.rt7.274.el8_8.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-4.18.0-477.10.1.rt7.274.el8_8.x86_64.rpm
kernel-rt-devel-4.18.0-477.10.1.rt7.274.el8_8.x86_64.rpm
kernel-rt-modules-4.18.0-477.10.1.rt7.274.el8_8.x86_64.rpm
kernel-rt-modules-extra-4.18.0-477.10.1.rt7.274.el8_8.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-rt is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux NFV (v. 8) - x86_64
Red Hat Enterprise Linux RT (v. 8) - x86_64
Bugs Fixed
2055499 - CVE-2022-25265 kernel: Executable Space Protection Bypass
2061703 - CVE-2021-26341 hw: cpu: AMD CPUs may transiently execute beyond unconditional direct branch
2078466 - CVE-2022-1462 kernel: possible race condition in drivers/tty/tty_buffers.c
2084125 - CVE-2022-1679 kernel: use-after-free in ath9k_htc_probe_device() could cause an escalation of privileges
2085300 - CVE-2022-30594 kernel: Unprivileged users may use PTRACE_SEIZE to set PTRACE_O_SUSPEND_SECCOMP option
2090723 - CVE-2022-1789 kernel: KVM: NULL pointer dereference in kvm_mmu_invpcid_gva
2108691 - CVE-2021-33655 kernel: malicious data for FBIOPUT_VSCREENINFO ioctl may cause OOB write memory
2108696 - CVE-2021-33656 kernel: when setting font with malicious data by ioctl PIO_FONT, kernel will write memory out of bounds
2114937 - CVE-2022-20141 kernel: igmp: use-after-free in ip_check_mc_rcu when opening and closing inet sockets
2122228 - CVE-2022-3028 kernel: race condition in xfrm_probe_algs can lead to OOB read/write
2122960 - CVE-2022-41218 kernel: Report vmalloc UAF in dvb-core/dmxdev
2123056 - CVE-2022-2663 kernel: netfilter: nf_conntrack_irc message handling issue
2124788 - CVE-2022-39189 kernel: TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED leading to guest malfunctioning
2127985 - CVE-2022-3239 kernel: media: em28xx: initialize refcount before kref_get
2130141 - CVE-2022-39188 kernel: unmap_mapping_range() race with munmap() on VM_PFNMAP mappings leads to stale TLB entry
2133483 - CVE-2022-42703 kernel: use-after-free related to leaf anon_vma double reuse
2134377 - CVE-2022-41674 kernel: u8 overflow problem in cfg80211_update_notlisted_nontrans()
2134451 - CVE-2022-42720 kernel: use-after-free in bss_ref_get in net/wireless/scan.c
2134506 - CVE-2022-42721 kernel: BSS list corruption in cfg80211_add_nontrans_list in net/wireless/scan.c
2134517 - CVE-2022-42722 kernel: Denial of service in beacon protection for P2P-device
2134528 - CVE-2022-4129 kernel: l2tp: missing lock when clearing sk_user_data can lead to NULL pointer dereference
2137979 - CVE-2022-3707 kernel: Double-free in split_2MB_gtt_entry when function intel_gvt_dma_map_guest_page failed
2143893 - CVE-2022-3566 kernel: data races around icsk->icsk_af_ops in do_ipv6_setsockopt
2143943 - CVE-2022-3567 kernel: data races around sk->sk_prot
2144720 - CVE-2022-3625 kernel: use-after-free after failed devlink reload in devlink_param_get
2150947 - CVE-2022-3524 kernel: memory leak in ipv6_renew_options()
2150960 - CVE-2022-3628 kernel: USB-accessible buffer overflow in brcmfmac
2150979 - CVE-2022-3522 kernel: race condition in hugetlb_no_page() in mm/hugetlb.c
2150999 - CVE-2022-3564 kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c
2151270 - CVE-2022-43750 kernel: memory corruption in usbmon driver
2154171 - CVE-2023-1195 kernel: use-after-free caused by invalid pointer hostname in fs/cifs/connect.c
2154235 - CVE-2022-3619 kernel: memory leak in l2cap_recv_acldata of the file net/bluetooth/l2cap_core.c
2160023 - CVE-2022-2196 kernel: KVM: nVMX: missing IBPB when exiting from nested guest can lead to Spectre v2 attacks
2162120 - CVE-2023-0394 kernel: NULL pointer dereference in rawv6_push_pending_frames
2165721 - CVE-2022-3623 kernel: denial of service in follow_page_pte in mm/gup.c due to poisoned pte entry
2168246 - CVE-2022-47929 kernel: NULL pointer dereference in traffic control subsystem
2168297 - CVE-2023-23454 kernel: slab-out-of-bounds read vulnerabilities in cbq_classify
2176192 - CVE-2023-0461 kernel: net/ulp: use-after-free in listening ULP sockets
2180936 - CVE-2023-1582 kernel: Soft lockup occurred during __page_mapcount
