Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2023.1827
kpatch-patch security update
28 March 2023
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: kpatch-patch
Publisher: Red Hat
Operating System: Red Hat
Resolution: Patch/Upgrade
CVE Names: CVE-2022-4744
Original Bulletin:
https://access.redhat.com/errata/RHSA-2023:1466
Comment: CVSS (Max): 7.8 CVE-2022-4744 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
CVSS Source: Red Hat
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- --------------------------BEGIN INCLUDED TEXT--------------------
=====================================================================
Red Hat Security Advisory
Synopsis: Important: kpatch-patch security update
Advisory ID: RHSA-2023:1466-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:1466
Issue date: 2023-03-27
CVE Names: CVE-2022-4744
=====================================================================
1. Summary:
An update for kpatch-patch is now available for Red Hat Enterprise Linux
9.0 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.9.0) - 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: tun: avoid double free in tun_free_netdev (CVE-2022-4744)
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/):
2156322 - CVE-2022-4744 kernel: tun: avoid double free in tun_free_netdev
6. Package List:
Red Hat Enterprise Linux BaseOS EUS (v.9.0):
Source:
kpatch-patch-5_14_0-70_26_1-1-6.el9_0.src.rpm
kpatch-patch-5_14_0-70_30_1-1-4.el9_0.src.rpm
kpatch-patch-5_14_0-70_36_1-1-3.el9_0.src.rpm
kpatch-patch-5_14_0-70_43_1-1-2.el9_0.src.rpm
kpatch-patch-5_14_0-70_49_1-1-1.el9_0.src.rpm
ppc64le:
kpatch-patch-5_14_0-70_26_1-1-6.el9_0.ppc64le.rpm
kpatch-patch-5_14_0-70_26_1-debuginfo-1-6.el9_0.ppc64le.rpm
kpatch-patch-5_14_0-70_26_1-debugsource-1-6.el9_0.ppc64le.rpm
kpatch-patch-5_14_0-70_30_1-1-4.el9_0.ppc64le.rpm
kpatch-patch-5_14_0-70_30_1-debuginfo-1-4.el9_0.ppc64le.rpm
kpatch-patch-5_14_0-70_30_1-debugsource-1-4.el9_0.ppc64le.rpm
kpatch-patch-5_14_0-70_36_1-1-3.el9_0.ppc64le.rpm
kpatch-patch-5_14_0-70_36_1-debuginfo-1-3.el9_0.ppc64le.rpm
kpatch-patch-5_14_0-70_36_1-debugsource-1-3.el9_0.ppc64le.rpm
kpatch-patch-5_14_0-70_43_1-1-2.el9_0.ppc64le.rpm
kpatch-patch-5_14_0-70_43_1-debuginfo-1-2.el9_0.ppc64le.rpm
kpatch-patch-5_14_0-70_43_1-debugsource-1-2.el9_0.ppc64le.rpm
kpatch-patch-5_14_0-70_49_1-1-1.el9_0.ppc64le.rpm
kpatch-patch-5_14_0-70_49_1-debuginfo-1-1.el9_0.ppc64le.rpm
kpatch-patch-5_14_0-70_49_1-debugsource-1-1.el9_0.ppc64le.rpm
x86_64:
kpatch-patch-5_14_0-70_26_1-1-6.el9_0.x86_64.rpm
kpatch-patch-5_14_0-70_26_1-debuginfo-1-6.el9_0.x86_64.rpm
kpatch-patch-5_14_0-70_26_1-debugsource-1-6.el9_0.x86_64.rpm
kpatch-patch-5_14_0-70_30_1-1-4.el9_0.x86_64.rpm
kpatch-patch-5_14_0-70_30_1-debuginfo-1-4.el9_0.x86_64.rpm
kpatch-patch-5_14_0-70_30_1-debugsource-1-4.el9_0.x86_64.rpm
kpatch-patch-5_14_0-70_36_1-1-3.el9_0.x86_64.rpm
kpatch-patch-5_14_0-70_36_1-debuginfo-1-3.el9_0.x86_64.rpm
kpatch-patch-5_14_0-70_36_1-debugsource-1-3.el9_0.x86_64.rpm
kpatch-patch-5_14_0-70_43_1-1-2.el9_0.x86_64.rpm
kpatch-patch-5_14_0-70_43_1-debuginfo-1-2.el9_0.x86_64.rpm
kpatch-patch-5_14_0-70_43_1-debugsource-1-2.el9_0.x86_64.rpm
kpatch-patch-5_14_0-70_49_1-1-1.el9_0.x86_64.rpm
kpatch-patch-5_14_0-70_49_1-debuginfo-1-1.el9_0.x86_64.rpm
kpatch-patch-5_14_0-70_49_1-debugsource-1-1.el9_0.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-2022-4744
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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=jCe4
- -----END PGP SIGNATURE-----
- --------------------------END INCLUDED TEXT--------------------
You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.
NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
https://www.auscert.org.au/bulletins/
===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: https://auscert.org.au/gpg-key/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=bjSW
-----END PGP SIGNATURE-----