Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2023.0699
Security update for the Linux Kernel (Live Patch 4 for SLE 15 SP4)
7 February 2023
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Linux Kernel
Publisher: SUSE
Operating System: SUSE
Resolution: Patch/Upgrade
CVE Names: CVE-2022-4379 CVE-2022-3424 CVE-2022-2602
Original Bulletin:
https://www.suse.com/support/update/announcement/2023/suse-su-20230270-1
Comment: CVSS (Max): 7.8 CVE-2022-2602 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
CVSS Source: SUSE
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--------------------
SUSE Security Update: Security update for the Linux Kernel (Live
______________________________________________________________________________
Announcement ID: SUSE-SU-2023:0270-1
Rating: important
References: #1204167 #1205186 #1206373
Cross-References: CVE-2022-2602 CVE-2022-3424 CVE-2022-4379
Affected Products:
SUSE Linux Enterprise High Performance Computing 15-SP4
SUSE Linux Enterprise Module for Live Patching 15-SP4
SUSE Linux Enterprise Server 15-SP4
SUSE Linux Enterprise Server for SAP Applications 15-SP4
______________________________________________________________________________
Patch 4 for
SLE 15 SP4)
An update that fixes three vulnerabilities is now available.
Description:
This update for the Linux Kernel 5.14.21-150400_24_28 fixes several issues.
The following security issues were fixed:
o CVE-2022-4379: A use-after-free vulnerability was found in __nfs42_ssc_open
() in fs/nfs/nfs4file.c in the Linux kernel. This flaw allowed an attacker
to conduct a remote denial of service attack (bsc#1206373).
o CVE-2022-3424: Fixed use-after-free in gru_set_context_option(), gru_fault
() and gru_handle_user_call_os() that could lead to kernel panic (bsc#
1204167).
o CVE-2022-2602: Fixed a local privilege escalation vulnerability involving
Unix socket Garbage Collection and io_uring (bsc#1205186).
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
o SUSE Linux Enterprise Module for Live Patching 15-SP4:
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2023-269=1
SUSE-SLE-Module-Live-Patching-15-SP4-2023-270=1
SUSE-SLE-Module-Live-Patching-15-SP4-2023-272=1
Package List:
o SUSE Linux Enterprise Module for Live Patching 15-SP4 (ppc64le s390x
x86_64):
kernel-livepatch-5_14_21-150400_22-default-10-150400.4.2
kernel-livepatch-5_14_21-150400_22-default-debuginfo-10-150400.4.2
kernel-livepatch-5_14_21-150400_24_18-default-7-150400.2.1
kernel-livepatch-5_14_21-150400_24_28-default-4-150400.2.1
kernel-livepatch-5_14_21-150400_24_28-default-debuginfo-4-150400.2.1
kernel-livepatch-SLE15-SP4_Update_0-debugsource-10-150400.4.2
kernel-livepatch-SLE15-SP4_Update_4-debugsource-4-150400.2.1
References:
o https://www.suse.com/security/cve/CVE-2022-2602.html
o https://www.suse.com/security/cve/CVE-2022-3424.html
o https://www.suse.com/security/cve/CVE-2022-4379.html
o https://bugzilla.suse.com/1204167
o https://bugzilla.suse.com/1205186
o https://bugzilla.suse.com/1206373
- --------------------------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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=7Jjj
-----END PGP SIGNATURE-----