SUSE-SU-2023:2703-1: important: Security update for the Linux Kernel (Live Patch 42 for SLE 12 SP5)
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Thu Jun 29 16:30:30 UTC 2023
# Security update for the Linux Kernel (Live Patch 42 for SLE 12 SP5)
Announcement ID: SUSE-SU-2023:2703-1
Rating: important
References:
* #1210452
* #1210989
Cross-References:
* CVE-2023-28466
* CVE-2023-31436
CVSS scores:
* CVE-2023-28466 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-28466 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-31436 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-31436 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
* SUSE Linux Enterprise High Performance Computing 12 SP5
* SUSE Linux Enterprise High Performance Computing 15 SP4
* SUSE Linux Enterprise Live Patching 12-SP5
* SUSE Linux Enterprise Live Patching 15-SP4
* SUSE Linux Enterprise Micro 5.3
* SUSE Linux Enterprise Micro 5.4
* SUSE Linux Enterprise Real Time 15 SP4
* SUSE Linux Enterprise Server 12 SP5
* SUSE Linux Enterprise Server 15 SP4
* SUSE Linux Enterprise Server for SAP Applications 12 SP5
* SUSE Linux Enterprise Server for SAP Applications 15 SP4
An update that solves two vulnerabilities can now be installed.
## Description:
This update for the Linux Kernel 4.12.14-122_156 fixes several issues.
The following security issues were fixed:
* CVE-2023-31436: Fixed an out-of-bounds write in qfq_change_class() because
lmax can exceed QFQ_MIN_LMAX (bsc#1210989).
* CVE-2023-28466: Fixed race condition that could lead to use-after-free or
NULL pointer dereference in do_tls_getsockopt in net/tls/tls_main.c
(bsc#1210452).
## Patch Instructions:
To install this SUSE Important update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
* SUSE Linux Enterprise Live Patching 12-SP5
zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2023-2703=1 SUSE-SLE-Live-
Patching-12-SP5-2023-2706=1
* SUSE Linux Enterprise Live Patching 15-SP4
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2023-2712=1
## Package List:
* SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64)
* kgraft-patch-4_12_14-122_156-default-3-2.1
* kgraft-patch-4_12_14-122_159-default-2-2.1
* SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
* kernel-livepatch-5_14_21-150400_24_46-default-5-150400.2.3
* kernel-livepatch-SLE15-SP4_Update_8-debugsource-5-150400.2.3
* kernel-livepatch-5_14_21-150400_24_46-default-debuginfo-5-150400.2.3
## References:
* https://www.suse.com/security/cve/CVE-2023-28466.html
* https://www.suse.com/security/cve/CVE-2023-31436.html
* https://bugzilla.suse.com/show_bug.cgi?id=1210452
* https://bugzilla.suse.com/show_bug.cgi?id=1210989
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