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=====================================================================
Red Hat Security Advisory
Synopsis: Important: kpatch-patch security update
Advisory ID: RHSA-2023:0059-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:0059
Issue date: 2023-01-10
CVE Names: CVE-2022-2639
=====================================================================
1. Summary:
An update for kpatch-patch is now available for Red Hat Enterprise Linux
8.1 Update Services for SAP Solutions.
Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux BaseOS E4S (v. 8.1) - ppc64le, x86_64
3. Description:
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: 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.
4. 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
5. Bugs fixed (https://bugzilla.redhat.com/):
2084479 - CVE-2022-2639 kernel: openvswitch: integer underflow leads to
out-of-bounds write in reserve_sfa_size()
6. Package List:
Red Hat Enterprise Linux BaseOS E4S (v. 8.1):
Source:
kpatch-patch-4_18_0-147_70_1-1-2.el8_1.src.rpm
kpatch-patch-4_18_0-147_74_1-1-2.el8_1.src.rpm
kpatch-patch-4_18_0-147_76_1-1-1.el8_1.src.rpm
kpatch-patch-4_18_0-147_77_1-1-1.el8_1.src.rpm
ppc64le:
kpatch-patch-4_18_0-147_70_1-1-2.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_70_1-debuginfo-1-2.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_70_1-debugsource-1-2.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_74_1-1-2.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_74_1-debuginfo-1-2.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_74_1-debugsource-1-2.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_76_1-1-1.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_76_1-debuginfo-1-1.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_76_1-debugsource-1-1.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_77_1-1-1.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_77_1-debuginfo-1-1.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_77_1-debugsource-1-1.el8_1.ppc64le.rpm
x86_64:
kpatch-patch-4_18_0-147_70_1-1-2.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_70_1-debuginfo-1-2.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_70_1-debugsource-1-2.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_74_1-1-2.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_74_1-debuginfo-1-2.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_74_1-debugsource-1-2.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_76_1-1-1.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_76_1-debuginfo-1-1.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_76_1-debugsource-1-1.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_77_1-1-1.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_77_1-debuginfo-1-1.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_77_1-debugsource-1-1.el8_1.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/
7. References:
https://access.redhat.com/security/cve/CVE-2022-2639
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <[email protected]>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2023 Red Hat, Inc.
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