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UBUNTU: 2023:5392-1 Critical Firmware Update to Address Privilege Issues

suse
Calendar Grey October 30, 2023
Dist Suse Esm H88
Critical security patch released for SUSE Linux Kernel addresses major vulnerabilities. Ensure installation of updates immediately to protect your system.
* bsc#1209683 * bsc#1210619 * bsc#1215440 Cross-References:

Summary

## This update for the Linux Kernel 4.12.14-122_176 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-2023-1829: Fixed a use-after-free vulnerability in the control index filter (tcindex) (bsc#1210619). * CVE-2023-1281: Fixed use after free that could lead to privilege escalation in tcindex (bsc#1209683). ## 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-SP5-2023-4273=1 ## Package List:

Topics%20covered

Topics Covered

security advisory kernel patch SUSE security issues local escalation Linux update patch instructions

References

* bsc#1209683

* bsc#1210619

* bsc#1215440

Cross-

* CVE-2023-1281

* CVE-2023-1829

* CVE-2023-4623

CVSS scores:

* CVE-2023-1281 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-1281 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* 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-2023-4623 ( 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 Live Patching 12-SP5

* SUSE Linux Enterprise Server 12 SP5

* SUSE Linux Enterprise Server for SAP Applications 12 SP5

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:4273-1
Rating: important

Topics%20covered

Topics Covered

security advisory kernel patch SUSE security issues local escalation Linux update patch instructions

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