Security update for the Linux Kernel (Live Patch 38 for SLE 12 SP5)
Announcement ID: | SUSE-SU-2023:2686-1 |
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Rating: | important |
References: | |
Cross-References: | |
CVSS scores: |
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Affected Products: |
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An update that solves four vulnerabilities can now be installed.
Description:
This update for the Linux Kernel 4.12.14-122_144 fixes several issues.
The following security issues were fixed:
- CVE-2023-23455: Fixed a denial of service inside atm_tc_enqueue in net/sched/sch_atm.c because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition rather than valid classification results) (bsc#1207189).
- CVE-2023-31436: Fixed an out-of-bounds write in qfq_change_class() because lmax can exceed QFQ_MIN_LMAX (bsc#1210989).
- CVE-2023-1390: Fixed remote DoS vulnerability in tipc_link_xmit() (bsc#1210779).
- 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 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-SP5-2023-2686=1
Package List:
-
SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64)
- kgraft-patch-4_12_14-122_144-default-6-2.2
References:
- https://www.suse.com/security/cve/CVE-2023-1390.html
- https://www.suse.com/security/cve/CVE-2023-23455.html
- 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=1207189
- https://bugzilla.suse.com/show_bug.cgi?id=1210452
- https://bugzilla.suse.com/show_bug.cgi?id=1210779
- https://bugzilla.suse.com/show_bug.cgi?id=1210989