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Red Hat Enterprise Linux 8.4 RHSA-2022:8767-01 Important Kernel Update

red hat
Calendar Grey December 3, 2022
Dist Redhat Esm H88
Critical updates for kernel security and stability patches released for Red Hat Enterprise Linux 8.4. Users are urged to update without delay.
An update for kernel is now available for Red Hat Enterprise Linux 8.4 Extended Update Support

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: openvswitch: integer underflow leads to out-of-bounds write in reserve_sfa_size() (CVE-2022-2639)
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):
* RHEL8.6: Backport upstream migrate_disable for PREEMPT_RT support (BZ#2140304)

Topics%20covered

Topics Covered

security advisory Red Hat kernel update security fix important system patch integer underflow

References

https://access.redhat.com/security/cve/CVE-2022-2639 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux BaseOS EUS (v.8.4):
Source: kernel-4.18.0-305.72.1.el8_4.src.rpm
aarch64: bpftool-4.18.0-305.72.1.el8_4.aarch64.rpm bpftool-debuginfo-4.18.0-305.72.1.el8_4.aarch64.rpm kernel-4.18.0-305.72.1.el8_4.aarch64.rpm kernel-core-4.18.0-305.72.1.el8_4.aarch64.rpm kernel-cross-headers-4.18.0-305.72.1.el8_4.aarch64.rpm kernel-debug-4.18.0-305.72.1.el8_4.aarch64.rpm kernel-debug-core-4.18.0-305.72.1.el8_4.aarch64.rpm kernel-debug-debuginfo-4.18.0-305.72.1.el8_4.aarch64.rpm kernel-debug-devel-4.18.0-305.72.1.el8_4.aarch64.rpm kernel-debug-modules-4.18.0-305.72.1.el8_4.aarch64.rpm kernel-debug-modules-extra-4.18.0-305.72.1.el8_4.aarch64.rpm kernel-debuginfo-4.18.0-305.72.1.el8_4.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-305.72.1.el8_4.aarch64.rpm kernel-devel-4.18.0-305.72.1.el8_4.aarch64.rpm kernel-headers-4.18.0-305.72.1.el8_4.aarch64.rpm kernel-modules-4.18.0-305.72.1.el8_4.aarch64.rpm kernel-modules-extra-4.18.0-305.72.1.el8_4.aarch64.rpm kernel-tools-4.18.0-305.72.1.el8_4.aarch64.rpm kernel-tools-debuginfo-4.18.0-305.72.1.el8_4.aarch64.rpm kernel-tools-libs-4.18.0-305.72.1.el8_4.aarch64.rpm perf-4.18.0-305.72.1.el8_4.aarch64.rpm perf-debuginfo-4.18.0-305.72.1.el8_4.aarch64.rpm python3-perf-4.18.0-305.72.1.el8_4.aarch64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:8767-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:8767
Issue date: 2022-12-02

Topic

An update for kernel is now available for Red Hat Enterprise Linux 8.4Extended Update Support.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 kernel update security fix important system patch integer underflow

Relevant Releases Architectures

Red Hat CodeReady Linux Builder EUS (v. 8.4) - aarch64, ppc64le, x86_64

Red Hat Enterprise Linux BaseOS EUS (v.8.4) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

2084479 - CVE-2022-2639 kernel: openvswitch: integer underflow leads to out-of-bounds write in reserve_sfa_size()

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