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Red Hat Enterprise Linux 9 RHSA-2023:4380-01 Important Kpatch-Patch Issue

red hat
Calendar Grey August 1, 2023
Dist Redhat Esm H88
Canonical has released a major Snapd security enhancement for Ubuntu 22.04, addressing urgent vulnerabilities to strengthen operating system defenses.
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: ipvlan: out-of-bounds write caused by unclear skb->cb (CVE-2023-3090)
* kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt() (CVE-2023-35788)
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 security issue critical kernel patch important red hat enterprise linux kpatch-patch

References

https://access.redhat.com/security/cve/CVE-2023-3090 https://access.redhat.com/security/cve/CVE-2023-35788 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux BaseOS (v. 9):
Source: kpatch-patch-5_14_0-284_11_1-1-2.el9_2.src.rpm kpatch-patch-5_14_0-284_18_1-1-1.el9_2.src.rpm
ppc64le: kpatch-patch-5_14_0-284_11_1-1-2.el9_2.ppc64le.rpm kpatch-patch-5_14_0-284_11_1-debuginfo-1-2.el9_2.ppc64le.rpm kpatch-patch-5_14_0-284_11_1-debugsource-1-2.el9_2.ppc64le.rpm kpatch-patch-5_14_0-284_18_1-1-1.el9_2.ppc64le.rpm kpatch-patch-5_14_0-284_18_1-debuginfo-1-1.el9_2.ppc64le.rpm kpatch-patch-5_14_0-284_18_1-debugsource-1-1.el9_2.ppc64le.rpm
x86_64: kpatch-patch-5_14_0-284_11_1-1-2.el9_2.x86_64.rpm kpatch-patch-5_14_0-284_11_1-debuginfo-1-2.el9_2.x86_64.rpm kpatch-patch-5_14_0-284_11_1-debugsource-1-2.el9_2.x86_64.rpm kpatch-patch-5_14_0-284_18_1-1-1.el9_2.x86_64.rpm kpatch-patch-5_14_0-284_18_1-debuginfo-1-1.el9_2.x86_64.rpm kpatch-patch-5_14_0-284_18_1-debugsource-1-1.el9_2.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:4380-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:4380
Issue date: 2023-08-01

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 security issue critical kernel patch important red hat enterprise linux kpatch-patch

Relevant Releases Architectures

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

Bugs Fixed

2215768 - CVE-2023-35788 kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt()

2218672 - CVE-2023-3090 kernel: ipvlan: out-of-bounds write caused by unclear skb->cb

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