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SUSE: 2024:1411-1 Critical Update: Kernel Live Patch Denial of Service Fix

suse
Calendar Grey April 24, 2024
Dist Suse Esm H88
Critical security patch released for the Linux Kernel to resolve significant vulnerabilities affecting stability and speed. Apply updates immediately!
* bsc#1219296 * bsc#1220828 Cross-References: * CVE-2023-52340

Summary

## This update for the Linux Kernel 5.14.21-150400_24_108 fixes several issues. The following security issues were fixed: * CVE-2024-26622: Fixed UAF write bug in tomoyo_write_control() (bsc#1220828). * CVE-2023-52340: Fixed ICMPv6 “Packet Too Big” packets force a DoS of the Linux kernel by forcing 100% CPU (bsc#1219296). ## 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 15.4 zypper in -t patch SUSE-2024-1411=1 * SUSE Linux Enterprise Live Patching 15-SP4 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2024-1411=1 ## Package List: * openSUSE Leap 15.4 (ppc64le s390x x86_64)

Topics%20covered

Topics Covered

security advisory kernel update SUSE Linux software issues important patch DoS mitigation

References

* bsc#1219296

* bsc#1220828

Cross-

* CVE-2023-52340

* CVE-2024-26622

CVSS scores:

* CVE-2023-52340 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2024-26622 ( SUSE ): 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

* SUSE Linux Enterprise High Performance Computing 15 SP4

* SUSE Linux Enterprise Live Patching 15-SP4

* SUSE Linux Enterprise Micro 5.3

* SUSE Linux Enterprise Micro 5.4

* SUSE Linux Enterprise Real Time 15 SP4

* SUSE Linux Enterprise Server 15 SP4

* SUSE Linux Enterprise Server for SAP Applications 15 SP4

An update that solves two vulnerabilities can now be installed.

##

* https://www.suse.com/security/cve/CVE-2023-52340.html

* https://www.suse.com/security/cve/CVE-2024-26622.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2024:1411-1
Rating: important

Topics%20covered

Topics Covered

security advisory kernel update SUSE Linux software issues important patch DoS mitigation

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