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SUSE: 2023:4322-1 Important Linux Kernel Live Patch for SLE 15 SP4

suse
Calendar Grey October 31, 2023
Dist Suse Esm H88
Significant Linux Kernel fix for SUSE enhances security by tackling vital vulnerabilities. Apply updates to safeguard your systems.
* bsc#1214812 * bsc#1215118 * bsc#1215440 Cross-References:

Summary

## This update for the Linux Kernel 5.14.21-150400_24_74 fixes several issues. The following security issues were fixed: * CVE-2023-4147: Fixed use-after-free in nf_tables_newrule (bsc#1215118). * 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). * CVE-2023-4004: Fixed improper element removal netfilter nft_set_pipapo (bsc#1214812). ## 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: * openSUSE Leap 15.5 zypper in -t patch SUSE-2023-4322=1 * SUSE Linux Enterprise Live Patching 15-SP5

Topics%20covered

Topics Covered

security advisory update local privilege escalation important suse linux kernel live patch

References

* bsc#1214812

* bsc#1215118

* bsc#1215440

Cross-

* CVE-2023-4004

* CVE-2023-4147

* CVE-2023-4623

CVSS scores:

* CVE-2023-4004 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-4004 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-4147 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-4147 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* 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 15.4

* 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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:4322-1
Rating: important

Topics%20covered

Topics Covered

security advisory update local privilege escalation important suse linux kernel live patch

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