[RHSA-2021:4597-01] Important: kpatch-patch security update

Security announcements for all Red Hat products and services. rhsa-announce at redhat.com
Wed Nov 10 14:39:44 UTC 2021 

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

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

Synopsis:          Important: kpatch-patch security update
Advisory ID:       RHSA-2021:4597-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:4597
Issue date:        2021-11-10
CVE Names:         CVE-2020-36385 
=====================================================================

1. Summary:

An update for kpatch-patch is now available for Red Hat Enterprise Linux
8.1 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. 8.1) - 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: use-after-free in drivers/infiniband/core/ucma.c ctx
use-after-free (CVE-2020-36385)

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/):

1974319 - CVE-2020-36385 kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free

6. Package List:

Red Hat Enterprise Linux BaseOS EUS (v. 8.1):

Source:
kpatch-patch-4_18_0-147_34_1-1-12.el8_1.src.rpm
kpatch-patch-4_18_0-147_38_1-1-11.el8_1.src.rpm
kpatch-patch-4_18_0-147_43_1-1-9.el8_1.src.rpm
kpatch-patch-4_18_0-147_44_1-1-8.el8_1.src.rpm
kpatch-patch-4_18_0-147_48_1-1-5.el8_1.src.rpm
kpatch-patch-4_18_0-147_51_1-1-4.el8_1.src.rpm
kpatch-patch-4_18_0-147_51_2-1-3.el8_1.src.rpm
kpatch-patch-4_18_0-147_52_1-1-2.el8_1.src.rpm
kpatch-patch-4_18_0-147_54_2-1-1.el8_1.src.rpm
kpatch-patch-4_18_0-147_56_1-1-1.el8_1.src.rpm

ppc64le:
kpatch-patch-4_18_0-147_34_1-1-12.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_34_1-debuginfo-1-12.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_34_1-debugsource-1-12.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_38_1-1-11.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_38_1-debuginfo-1-11.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_38_1-debugsource-1-11.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_43_1-1-9.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_43_1-debuginfo-1-9.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_43_1-debugsource-1-9.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_44_1-1-8.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_44_1-debuginfo-1-8.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_44_1-debugsource-1-8.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_48_1-1-5.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_48_1-debuginfo-1-5.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_48_1-debugsource-1-5.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_51_1-1-4.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_51_1-debuginfo-1-4.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_51_1-debugsource-1-4.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_51_2-1-3.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_51_2-debuginfo-1-3.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_51_2-debugsource-1-3.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_52_1-1-2.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_52_1-debuginfo-1-2.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_52_1-debugsource-1-2.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_54_2-1-1.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_54_2-debuginfo-1-1.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_54_2-debugsource-1-1.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_56_1-1-1.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_56_1-debuginfo-1-1.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_56_1-debugsource-1-1.el8_1.ppc64le.rpm

x86_64:
kpatch-patch-4_18_0-147_34_1-1-12.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_34_1-debuginfo-1-12.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_34_1-debugsource-1-12.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_38_1-1-11.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_38_1-debuginfo-1-11.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_38_1-debugsource-1-11.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_43_1-1-9.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_43_1-debuginfo-1-9.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_43_1-debugsource-1-9.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_44_1-1-8.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_44_1-debuginfo-1-8.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_44_1-debugsource-1-8.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_48_1-1-5.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_48_1-debuginfo-1-5.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_48_1-debugsource-1-5.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_51_1-1-4.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_51_1-debuginfo-1-4.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_51_1-debugsource-1-4.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_51_2-1-3.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_51_2-debuginfo-1-3.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_51_2-debugsource-1-3.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_52_1-1-2.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_52_1-debuginfo-1-2.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_52_1-debugsource-1-2.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_54_2-1-1.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_54_2-debuginfo-1-1.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_54_2-debugsource-1-1.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_56_1-1-1.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_56_1-debuginfo-1-1.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_56_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-2020-36385
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 2021 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=5/lA
-----END PGP SIGNATURE-----

More information about the RHSA-announce mailing list