SUSE: 2023:4321-1 important: the Linux Kernel (Live Patch 37 for SLE 12 SP5)
Summary
## This update for the Linux Kernel 4.12.14-122_139 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-SP5-2023-4324=1 SUSE-SLE-Live- Patching-12-SP5-2023-4318=1 * SUSE Linux Enterprise Live Patching 15-SP1 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2023-4321=1 ## Package List: * SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64) * kgraft-patch-4_12_14-122_139-default-11-2.3 * kgraft-patch-4_12_14-122_159-default-6-2.2 * SUSE Linux Enterprise Live Patching 15-SP1 (ppc64le x86_64) * kernel-livepatch-4_12_14-150100_197_151-default-4-150100.2.2
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 High Performance Computing 15 SP1
* SUSE Linux Enterprise Live Patching 15-SP1
* SUSE Linux Enterprise Live Patching 12-SP5
* SUSE Linux Enterprise Server 12 SP5
* SUSE Linux Enterprise Server 15 SP1
* SUSE Linux Enterprise Server for SAP Applications 12 SP5
* SUSE Linux Enterprise Server for SAP Applications 15 SP1
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
![Dist Suse](/images/distros/dist-suse.gif)