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SUSE: 2023:4261-1 Important: Live Kernel Security Update for SLE 15 SP3

suse
Calendar Grey October 30, 2023
Dist Suse Esm H88
Important security patch released for the Linux kernel, targeting various security flaws present in SUSE operating environments.
* bsc#1210619 * bsc#1214812 * bsc#1215440 Cross-References:

Summary

## This update for the Linux Kernel 5.3.18-150300_59_133 fixes several issues. The following security issues were 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). * CVE-2023-4004: Fixed improper element removal netfilter nft_set_pipapo (bsc#1214812). * CVE-2023-1829: Fixed a use-after-free vulnerability in the control index filter (tcindex) (bsc#1210619). ## 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 15.3 zypper in -t patch SUSE-2023-4261=1 * SUSE Linux Enterprise Live Patching 15-SP3

Topics%20covered

Topics Covered

security advisory privilege escalation important linux kernel live patch high impact threat

References

* bsc#1210619

* bsc#1214812

* bsc#1215440

Cross-

* CVE-2023-1829

* CVE-2023-4004

* CVE-2023-4623

CVSS scores:

* CVE-2023-1829 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-1829 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* 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-2023-4623 ( 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 15.3

* SUSE Linux Enterprise High Performance Computing 15 SP3

* SUSE Linux Enterprise Live Patching 15-SP3

* SUSE Linux Enterprise Micro 5.1

* SUSE Linux Enterprise Micro 5.2

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:4261-1
Rating: important

Topics%20covered

Topics Covered

security advisory privilege escalation important linux kernel live patch high impact threat

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