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Red Hat Enterprise Linux 7 RHSA-2023:1091-01 Critical Kernel Update

red hat
Calendar Grey March 7, 2023
Dist Redhat Esm H88
Oracle Linux delivers a crucial kernel patch that tackles vulnerabilities and resolves various issues. A system restart is necessary following the update.
An update for kernel is now available for Red Hat Enterprise Linux 7

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.

Summary

The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: stack overflow in do_proc_dointvec and proc_skip_spaces (CVE-2022-4378)
* kernel: use-after-free related to leaf anon_vma double reuse (CVE-2022-42703)
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):
* Regression - SAS3416 card works on RHEL 7.7 and below, does not work on RHEL 7.8 or 7.9 (BZ#1974485)
* use-after-free in sctp_do_8_2_transport_strike (BZ#2054037)
* RHEL7.9 - [Regression] Kernel test failed during CPU polarization test - lscpu, chcpu - LPAR (BZ#2071980)
* RHEL 7, block: Crash in blk_mq_rq_timed_out() when dereferencing NULL request->q pointer (BZ#2088029)
* qla2xxx: Qlogic double completion races during error handling are still not fixed and this will also be a RHEL8+ exposure (BZ#2092105)
* kernel 3.10.0-1160.80.1.el7.x86_64 on Xeon E55xx crashes upon KVM startup (BZ#2143438)
* Guest's time jumped forward by 12 minutes _after_ live-migration completes (in 30 seconds) (BZ#2152838)
* RHEL7: target crashes if a malicious initiator sends a logout immediately after a login command (BZ#2154243)
* RHEL7.9 - LTP testcase creat09 fails related to 'CVE-2018-13405' and 'CVE-2021-4037` (BZ#2159946)

Topics%20covered

Topics Covered

security advisory Red Hat Enterprise Linux kernel fix security impact important update system reboot bug resolution

References

https://access.redhat.com/security/cve/CVE-2022-4378 https://access.redhat.com/security/cve/CVE-2022-42703 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: kernel-3.10.0-1160.88.1.el7.src.rpm
noarch: kernel-abi-whitelists-3.10.0-1160.88.1.el7.noarch.rpm kernel-doc-3.10.0-1160.88.1.el7.noarch.rpm
x86_64: bpftool-3.10.0-1160.88.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1160.88.1.el7.x86_64.rpm kernel-3.10.0-1160.88.1.el7.x86_64.rpm kernel-debug-3.10.0-1160.88.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.88.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1160.88.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.88.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.88.1.el7.x86_64.rpm kernel-devel-3.10.0-1160.88.1.el7.x86_64.rpm kernel-headers-3.10.0-1160.88.1.el7.x86_64.rpm kernel-tools-3.10.0-1160.88.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.88.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1160.88.1.el7.x86_64.rpm perf-3.10.0-1160.88.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.88.1.el7.x86_64.rpm python-perf-3.10.0-1160.88.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.88.1.el7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: bpftool-debuginfo-3.10.0-1160.88.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.88.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.88.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.88.1.el7.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:1091-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:1091
Issue date: 2023-03-07

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 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.

Topics%20covered

Topics Covered

security advisory Red Hat Enterprise Linux kernel fix security impact important update system reboot bug resolution

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

2054037 - use-after-free in sctp_do_8_2_transport_strike [rhel-7.9.z]

2133483 - CVE-2022-42703 kernel: use-after-free related to leaf anon_vma double reuse

2143438 - kernel 3.10.0-1160.80.1.el7.x86_64 on Xeon E55xx crashes upon KVM startup [rhel-7.9.z]

2152548 - CVE-2022-4378 kernel: stack overflow in do_proc_dointvec and proc_skip_spaces

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