SUSE: 2023:4164-1 Important: Local Privilege Escalation in Kernel RT Patch
suse
October 24, 2023
* bsc#1215440 Cross-References: * CVE-2023-4623
Summary
## This update for the Linux Kernel 5.14.21-150400_15_53 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 15-SP4 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2023-4167=1 * openSUSE Leap 15.5 zypper in -t patch SUSE-2023-4164=1 * SUSE Linux Enterprise Live Patching 15-SP5 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2023-4164=1 ## Package List:
Topics Covered
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:
* openSUSE Leap 15.5
* SUSE Linux Enterprise High Performance Computing 15 SP4
* SUSE Linux Enterprise High Performance Computing 15 SP5
* SUSE Linux Enterprise Live Patching 15-SP4
* SUSE Linux Enterprise Live Patching 15-SP5
* SUSE Linux Enterprise Micro 5.3
* SUSE Linux Enterprise Micro 5.4
* SUSE Linux Enterprise Micro 5.5
* SUSE Linux Enterprise Real Time 15 SP4
* SUSE Linux Enterprise Real Time 15 SP5
* SUSE Linux Enterprise Server 15 SP4
* SUSE Linux Enterprise Server 15 SP5
* SUSE Linux Enterprise Server for SAP Applications 15 SP4
* SUSE Linux Enterprise Server for SAP Applications 15 SP5
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Severity
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Announcement ID: SUSE-SU-2023:4164-1
Rating: important
Topics Covered
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