[RHSA-2022:8768-01] Important: kpatch-patch security update

[Security announcements for all Red Hat products and services.]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: kpatch-patch security update
Advisory ID:       RHSA-2022:8768-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2022:8768
Issue date:        2022-12-02
CVE Names:         CVE-2022-2639 
=====================================================================

1. Summary:

An update for kpatch-patch is now available for Red Hat Enterprise Linux
8.4 Extended Update Support.

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 EUS (v.8.4) - 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 EUS (v.8.4):

Source:
kpatch-patch-4_18_0-305_49_1-1-4.el8_4.src.rpm
kpatch-patch-4_18_0-305_57_1-1-3.el8_4.src.rpm
kpatch-patch-4_18_0-305_62_1-1-3.el8_4.src.rpm
kpatch-patch-4_18_0-305_65_1-1-2.el8_4.src.rpm
kpatch-patch-4_18_0-305_71_1-1-1.el8_4.src.rpm

ppc64le:
kpatch-patch-4_18_0-305_49_1-1-4.el8_4.ppc64le.rpm
kpatch-patch-4_18_0-305_49_1-debuginfo-1-4.el8_4.ppc64le.rpm
kpatch-patch-4_18_0-305_49_1-debugsource-1-4.el8_4.ppc64le.rpm
kpatch-patch-4_18_0-305_57_1-1-3.el8_4.ppc64le.rpm
kpatch-patch-4_18_0-305_57_1-debuginfo-1-3.el8_4.ppc64le.rpm
kpatch-patch-4_18_0-305_57_1-debugsource-1-3.el8_4.ppc64le.rpm
kpatch-patch-4_18_0-305_62_1-1-3.el8_4.ppc64le.rpm
kpatch-patch-4_18_0-305_62_1-debuginfo-1-3.el8_4.ppc64le.rpm
kpatch-patch-4_18_0-305_62_1-debugsource-1-3.el8_4.ppc64le.rpm
kpatch-patch-4_18_0-305_65_1-1-2.el8_4.ppc64le.rpm
kpatch-patch-4_18_0-305_65_1-debuginfo-1-2.el8_4.ppc64le.rpm
kpatch-patch-4_18_0-305_65_1-debugsource-1-2.el8_4.ppc64le.rpm
kpatch-patch-4_18_0-305_71_1-1-1.el8_4.ppc64le.rpm
kpatch-patch-4_18_0-305_71_1-debuginfo-1-1.el8_4.ppc64le.rpm
kpatch-patch-4_18_0-305_71_1-debugsource-1-1.el8_4.ppc64le.rpm

x86_64:
kpatch-patch-4_18_0-305_49_1-1-4.el8_4.x86_64.rpm
kpatch-patch-4_18_0-305_49_1-debuginfo-1-4.el8_4.x86_64.rpm
kpatch-patch-4_18_0-305_49_1-debugsource-1-4.el8_4.x86_64.rpm
kpatch-patch-4_18_0-305_57_1-1-3.el8_4.x86_64.rpm
kpatch-patch-4_18_0-305_57_1-debuginfo-1-3.el8_4.x86_64.rpm
kpatch-patch-4_18_0-305_57_1-debugsource-1-3.el8_4.x86_64.rpm
kpatch-patch-4_18_0-305_62_1-1-3.el8_4.x86_64.rpm
kpatch-patch-4_18_0-305_62_1-debuginfo-1-3.el8_4.x86_64.rpm
kpatch-patch-4_18_0-305_62_1-debugsource-1-3.el8_4.x86_64.rpm
kpatch-patch-4_18_0-305_65_1-1-2.el8_4.x86_64.rpm
kpatch-patch-4_18_0-305_65_1-debuginfo-1-2.el8_4.x86_64.rpm
kpatch-patch-4_18_0-305_65_1-debugsource-1-2.el8_4.x86_64.rpm
kpatch-patch-4_18_0-305_71_1-1-1.el8_4.x86_64.rpm
kpatch-patch-4_18_0-305_71_1-debuginfo-1-1.el8_4.x86_64.rpm
kpatch-patch-4_18_0-305_71_1-debugsource-1-1.el8_4.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 <secalert at redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2022 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=x5Ul
-----END PGP SIGNATURE-----