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Red Hat 8.4 RHSA-2023-0499 Important: Kpatch Kernel Update

red hat
Calendar Grey January 30, 2023
Scroller Redhat
A significant security enhancement for kpatch-patch in Red Hat Enterprise Linux tackles memory corruption and GPU access vulnerabilities.
An update for kpatch-patch 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

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: memory corruption in AX88179_178A based USB ethernet device. (CVE-2022-2964)
* kernel: i915: Incorrect GPU TLB flush can lead to random memory access (CVE-2022-4139)
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 Red Hat kernel update memory corruption important kpatch-patch GPU access

References

https://access.redhat.com/security/cve/CVE-2022-2964 https://access.redhat.com/security/cve/CVE-2022-4139 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux BaseOS EUS (v.8.4):
Source: kpatch-patch-4_18_0-305_57_1-1-4.el8_4.src.rpm kpatch-patch-4_18_0-305_62_1-1-4.el8_4.src.rpm kpatch-patch-4_18_0-305_65_1-1-3.el8_4.src.rpm kpatch-patch-4_18_0-305_71_1-1-2.el8_4.src.rpm kpatch-patch-4_18_0-305_72_1-1-1.el8_4.src.rpm
ppc64le: kpatch-patch-4_18_0-305_57_1-1-4.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_57_1-debuginfo-1-4.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_57_1-debugsource-1-4.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_62_1-1-4.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_62_1-debuginfo-1-4.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_62_1-debugsource-1-4.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_65_1-1-3.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_65_1-debuginfo-1-3.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_65_1-debugsource-1-3.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_71_1-1-2.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_71_1-debuginfo-1-2.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_71_1-debugsource-1-2.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_72_1-1-1.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_72_1-debuginfo-1-1.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_72_1-debugsource-1-1.el8_4.ppc64le.rpm
x86_64: kpatch-patch-4_18_0-305_57_1-1-4.el8_4.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:0499-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:0499
Issue date: 2023-01-30

Topic

An update for kpatch-patch is now available for Red Hat Enterprise Linux8.4 Extended 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 memory corruption important kpatch-patch GPU access

Relevant Releases Architectures

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

Bugs Fixed

2067482 - CVE-2022-2964 kernel: memory corruption in AX88179_178A based USB ethernet device.

2147572 - CVE-2022-4139 kernel: i915: Incorrect GPU TLB flush can lead to random memory access

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