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Red Hat Enterprise Linux 9: RHSA-2022-7330-01 Critical Update on Kpatch

red hat
Calendar Grey November 2, 2022
Dist Redhat Esm H88
The recent kpatch-patch security update from RedHat is crucial for mitigating risks associated with privilege escalation, complete with an in-depth CVSS score breakdown.
An update for kpatch-patch is now available for Red Hat Enterprise Linux 9

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

Summary

This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.
Security Fix(es):
* posix cpu timer use-after-free may lead to local privilege escalation (CVE-2022-2585)
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.

Topics%20covered

Topics Covered

security advisory privilege escalation important security impact red hat enterprise linux local escalation kpatch-patch

References

https://access.redhat.com/security/cve/CVE-2022-2585 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux BaseOS (v. 9):
Source: kpatch-patch-5_14_0-70_13_1-1-4.el9_0.src.rpm kpatch-patch-5_14_0-70_17_1-1-3.el9_0.src.rpm kpatch-patch-5_14_0-70_22_1-1-3.el9_0.src.rpm kpatch-patch-5_14_0-70_26_1-1-2.el9_0.src.rpm
ppc64le: kpatch-patch-5_14_0-70_13_1-1-4.el9_0.ppc64le.rpm kpatch-patch-5_14_0-70_13_1-debuginfo-1-4.el9_0.ppc64le.rpm kpatch-patch-5_14_0-70_13_1-debugsource-1-4.el9_0.ppc64le.rpm kpatch-patch-5_14_0-70_17_1-1-3.el9_0.ppc64le.rpm kpatch-patch-5_14_0-70_17_1-debuginfo-1-3.el9_0.ppc64le.rpm kpatch-patch-5_14_0-70_17_1-debugsource-1-3.el9_0.ppc64le.rpm kpatch-patch-5_14_0-70_22_1-1-3.el9_0.ppc64le.rpm kpatch-patch-5_14_0-70_22_1-debuginfo-1-3.el9_0.ppc64le.rpm kpatch-patch-5_14_0-70_22_1-debugsource-1-3.el9_0.ppc64le.rpm kpatch-patch-5_14_0-70_26_1-1-2.el9_0.ppc64le.rpm kpatch-patch-5_14_0-70_26_1-debuginfo-1-2.el9_0.ppc64le.rpm kpatch-patch-5_14_0-70_26_1-debugsource-1-2.el9_0.ppc64le.rpm
x86_64: kpatch-patch-5_14_0-70_13_1-1-4.el9_0.x86_64.rpm kpatch-patch-5_14_0-70_13_1-debuginfo-1-4.el9_0.x86_64.rpm kpatch-patch-5_14_0-70_13_1-debugsource-1-4.el9_0.x86_64.rpm kpatch-patch-5_14_0-70_17_1-1-3.el9_0.x86_64.rpm kpatch-patch-5_14_0-70_17_1-debuginfo-1-3.el9_0.x86_64.rpm kpatch-patch-5_14_0-70_17_1-debugsource-1-3.el9_0.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:7330-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:7330
Issue date: 2022-11-02

Topic

An update for kpatch-patch is now available for Red Hat Enterprise Linux 9.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 important security impact red hat enterprise linux local escalation kpatch-patch

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS (v. 9) - ppc64le, x86_64

Bugs Fixed

2114874 - CVE-2022-2585 kernel: posix cpu timer use-after-free may lead to local privilege escalation

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