Red Hat Security Advisory 2023-0839-01 - 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. Issues addressed include buffer overflow and use-after-free vulnerabilities.
a841e77fcf8eb7575b5a1899f63e795e47605735fa308bd8344e17b0359a09fd
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
====================================================================
Red Hat Security Advisory
Synopsis: Important: kpatch-patch security update
Advisory ID: RHSA-2023:0839-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:0839
Issue date: 2023-02-21
CVE Names: CVE-2022-41222 CVE-2022-43945
====================================================================
1. Summary:
An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.
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 (v. 8) - 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: mm/mremap.c use-after-free vulnerability (CVE-2022-41222)
* kernel: nfsd buffer overflow by RPC message over TCP with garbage data
(CVE-2022-43945)
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/):
2138818 - CVE-2022-41222 kernel: mm/mremap.c use-after-free vulnerability
2141752 - CVE-2022-43945 kernel: nfsd buffer overflow by RPC message over TCP with garbage data
6. Package List:
Red Hat Enterprise Linux BaseOS (v. 8):
Source:
kpatch-patch-4_18_0-425_10_1-1-1.el8_7.src.rpm
kpatch-patch-4_18_0-425_3_1-1-3.el8.src.rpm
ppc64le:
kpatch-patch-4_18_0-425_10_1-1-1.el8_7.ppc64le.rpm
kpatch-patch-4_18_0-425_10_1-debuginfo-1-1.el8_7.ppc64le.rpm
kpatch-patch-4_18_0-425_10_1-debugsource-1-1.el8_7.ppc64le.rpm
kpatch-patch-4_18_0-425_3_1-1-3.el8.ppc64le.rpm
kpatch-patch-4_18_0-425_3_1-debuginfo-1-3.el8.ppc64le.rpm
kpatch-patch-4_18_0-425_3_1-debugsource-1-3.el8.ppc64le.rpm
x86_64:
kpatch-patch-4_18_0-425_10_1-1-1.el8_7.x86_64.rpm
kpatch-patch-4_18_0-425_10_1-debuginfo-1-1.el8_7.x86_64.rpm
kpatch-patch-4_18_0-425_10_1-debugsource-1-1.el8_7.x86_64.rpm
kpatch-patch-4_18_0-425_3_1-1-3.el8.x86_64.rpm
kpatch-patch-4_18_0-425_3_1-debuginfo-1-3.el8.x86_64.rpm
kpatch-patch-4_18_0-425_3_1-debugsource-1-3.el8.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-2022-41222
https://access.redhat.com/security/cve/CVE-2022-43945
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2023 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1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u4aM
-----END PGP SIGNATURE-----
--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://listman.redhat.com/mailman/listinfo/rhsa-announce