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Red Hat Enterprise Linux 7: RHSA-2022:4642-01 Important Kernel Patch

red hat
Calendar Grey May 18, 2022
Dist Redhat Esm H88
Red Hat releases critical kernel update addressing security vulnerabilities. Notable enhancements encompass fixes for bugs and measures to thwart privilege escalation attempts.
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: cgroups v1 release_agent feature may allow privilege escalation (CVE-2022-0492)
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):
* kernel panic in mlx5_ib driver RHEL/CentOS 7.9 VM (BZ#2046571)
* [RHEL-7.9] Get Call Trace about "kernel/timer.c:1270 requeue_timers+0x15e/0x170" on specified AMD x86_64 system (BZ#2048502)
* kernel NULL pointer dereference while calling dma_pool_alloc from the mlx5_core module (BZ#2055457)
* Rhel 7.9 NFS Clients takes very long time to resume operations in an NFS Server failover scenario (BZ#2066699)
* perf stat shows unsupported counters for Intel IceLake cpu (BZ#2072317)

Topics%20covered

Topics Covered

security advisory privilege escalation bug fix Red Hat Enterprise Linux important kernel CVE-2022-0492

References

https://access.redhat.com/security/cve/CVE-2022-0492 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: kernel-3.10.0-1160.66.1.el7.src.rpm
noarch: kernel-abi-whitelists-3.10.0-1160.66.1.el7.noarch.rpm kernel-doc-3.10.0-1160.66.1.el7.noarch.rpm
x86_64: bpftool-3.10.0-1160.66.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1160.66.1.el7.x86_64.rpm kernel-3.10.0-1160.66.1.el7.x86_64.rpm kernel-debug-3.10.0-1160.66.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.66.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1160.66.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.66.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.66.1.el7.x86_64.rpm kernel-devel-3.10.0-1160.66.1.el7.x86_64.rpm kernel-headers-3.10.0-1160.66.1.el7.x86_64.rpm kernel-tools-3.10.0-1160.66.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.66.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1160.66.1.el7.x86_64.rpm perf-3.10.0-1160.66.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.66.1.el7.x86_64.rpm python-perf-3.10.0-1160.66.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.66.1.el7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: bpftool-debuginfo-3.10.0-1160.66.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.66.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.66.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.66.1.el7.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:4642-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:4642
Issue date: 2022-05-18

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 privilege escalation bug fix Red Hat Enterprise Linux important kernel CVE-2022-0492

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

2051505 - CVE-2022-0492 kernel: cgroups v1 release_agent feature may allow privilege escalation

2055457 - kernel NULL pointer dereference while calling dma_pool_alloc from the mlx5_core module [rhel-7.9.z]

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