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RedHat: RHSA-2023-1681-01 Important: kpatch-patch Privilege Escalation

red hat
Calendar Grey April 11, 2023
Dist Redhat Esm H88
A significant security patch for kpatch-patch resolves a privilege escalation vulnerability in Red Hat Enterprise Linux version 9.
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):
* kernel: FUSE filesystem low-privileged user privileges escalation (CVE-2023-0386)
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 kernel patch Red Hat Enterprise Linux pkg update

References

https://access.redhat.com/security/cve/CVE-2023-0386 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux BaseOS (v. 9):
Source: kpatch-patch-5_14_0-162_12_1-1-3.el9_1.src.rpm kpatch-patch-5_14_0-162_18_1-1-2.el9_1.src.rpm kpatch-patch-5_14_0-162_22_2-1-1.el9_1.src.rpm kpatch-patch-5_14_0-162_6_1-1-4.el9_1.src.rpm
ppc64le: kpatch-patch-5_14_0-162_12_1-1-3.el9_1.ppc64le.rpm kpatch-patch-5_14_0-162_12_1-debuginfo-1-3.el9_1.ppc64le.rpm kpatch-patch-5_14_0-162_12_1-debugsource-1-3.el9_1.ppc64le.rpm kpatch-patch-5_14_0-162_18_1-1-2.el9_1.ppc64le.rpm kpatch-patch-5_14_0-162_18_1-debuginfo-1-2.el9_1.ppc64le.rpm kpatch-patch-5_14_0-162_18_1-debugsource-1-2.el9_1.ppc64le.rpm kpatch-patch-5_14_0-162_22_2-1-1.el9_1.ppc64le.rpm kpatch-patch-5_14_0-162_22_2-debuginfo-1-1.el9_1.ppc64le.rpm kpatch-patch-5_14_0-162_22_2-debugsource-1-1.el9_1.ppc64le.rpm kpatch-patch-5_14_0-162_6_1-1-4.el9_1.ppc64le.rpm kpatch-patch-5_14_0-162_6_1-debuginfo-1-4.el9_1.ppc64le.rpm kpatch-patch-5_14_0-162_6_1-debugsource-1-4.el9_1.ppc64le.rpm
x86_64: kpatch-patch-5_14_0-162_12_1-1-3.el9_1.x86_64.rpm kpatch-patch-5_14_0-162_12_1-debuginfo-1-3.el9_1.x86_64.rpm kpatch-patch-5_14_0-162_12_1-debugsource-1-3.el9_1.x86_64.rpm kpatch-patch-5_14_0-162_18_1-1-2.el9_1.x86_64.rpm kpatch-patch-5_14_0-162_18_1-debuginfo-1-2.el9_1.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:1681-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:1681
Issue date: 2023-04-10

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 kernel patch Red Hat Enterprise Linux pkg update

Relevant Releases Architectures

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

Bugs Fixed

2159505 - CVE-2023-0386 kernel: FUSE filesystem low-privileged user privileges escalation

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