SUSE: 2023:4776-2 critical: Kernel RT Live Patch 6 for SLE 15 SP5
suse
December 13, 2023
* bsc#1215097 * bsc#1215519 Cross-References: * CVE-2023-2163
Summary
## This update for the Linux Kernel 5.14.21-150500_13_21 fixes several issues. The following security issues were fixed: * CVE-2023-3777: Fixed a use-after-free vulnerability in netfilter: nf_tables component can be exploited to achieve local privilege escalation. (bsc#1215097) * CVE-2023-2163: Fixed an incorrect verifier pruning in BPF that could lead to unsafe code paths being incorrectly marked as safe, resulting in arbitrary read/write in kernel memory, lateral privilege escalation, and container escape. (bsc#1215519) ## 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
References
* bsc#1215097
* bsc#1215519
Cross-
* CVE-2023-2163
* CVE-2023-3777
CVSS scores:
* CVE-2023-2163 ( SUSE ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
* CVE-2023-2163 ( NVD ): 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
* CVE-2023-3777 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-3777 ( 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 Micro 6.0
* SUSE Linux Enterprise Real Time 15 SP4
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Critical
Announcement ID: SUSE-SU-2023:4776-1
Rating: important
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