SUSE: 2023:4313-1 Important: Kernel Local Privilege Escalation Patch
suse
October 31, 2023
* bsc#1215440 Cross-References: * CVE-2023-4623
Summary
## This update for the Linux Kernel 4.12.14-122_150 fixes one issue. The following security issue was fixed: * CVE-2023-4623: Fixed a use-after-free issue in the HFSC network scheduler which could be exploited to achieve local privilege escalation (bsc#1215440). ## 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-SP5-2023-4313=1 SUSE-SLE-Live- Patching-12-SP5-2023-4307=1 SUSE-SLE-Live-Patching-12-SP5-2023-4312=1 ## Package List: * SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64) * kgraft-patch-4_12_14-122_150-default-9-2.3
References
* bsc#1215440
Cross-
* CVE-2023-4623
CVSS scores:
* CVE-2023-4623 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-4623 ( 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 Live Patching 12-SP5
* SUSE Linux Enterprise Server 12 SP5
* SUSE Linux Enterprise Server for SAP Applications 12 SP5
An update that solves one vulnerability can now be installed.
##
* https://www.suse.com/security/cve/CVE-2023-4623.html
* https://bugzilla.suse.com/show_bug.cgi?id=1215440
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Announcement ID: SUSE-SU-2023:4313-1
Rating: important
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