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SUSE Linux 15 SP2: 2023:4243-1 Important: Kernel Live Patch Details

suse
Calendar Grey October 30, 2023
Dist Suse Esm H88
Revise key concerns in the Linux Kernel and outline patch guidance for impacted operating systems.
* bsc#1210619 * bsc#1215440 Cross-References: * CVE-2023-1829

Summary

## This update for the Linux Kernel 5.3.18-150200_24_163 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). ## 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-SP2 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2023-4243=1 ## Package List: * SUSE Linux Enterprise Live Patching 15-SP2 (ppc64le s390x x86_64)

Topics%20covered

Topics Covered

security advisory SUSE Linux important patch use-after-free kernel fixes

References

* bsc#1210619

* bsc#1215440

Cross-

* CVE-2023-1829

* 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-2023-4623 ( 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 15 SP2

* SUSE Linux Enterprise Live Patching 15-SP2

* SUSE Linux Enterprise Server 15 SP2

* SUSE Linux Enterprise Server for SAP Applications 15 SP2

An update that solves two vulnerabilities can now be installed.

##

* https://www.suse.com/security/cve/CVE-2023-1829.html

* https://www.suse.com/security/cve/CVE-2023-4623.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:4243-1
Rating: important

Topics%20covered

Topics Covered

security advisory SUSE Linux important patch use-after-free kernel fixes

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