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SUSE: 2024:1208-1 Critical: Security Flaw In Linux Kernel Live Update

suse
Calendar Grey April 11, 2024
Dist Suse Esm H88
Important SUSE Linux Kernel patch issued addressing a significant Denial of Service vulnerability concerning ICMPv6 packets across multiple distributions.

* bsc#1219296 Cross-References: * CVE-2023-52340

Summary

## This update for the Linux Kernel 5.3.18-150300_59_150 fixes one issue. The following security issue was fixed: * 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: * SUSE Linux Enterprise Live Patching 12-SP5 zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2024-1219=1 SUSE-SLE-Live- Patching-12-SP5-2024-1207=1 SUSE-SLE-Live-Patching-12-SP5-2024-1208=1 SUSE-SLE- Live-Patching-12-SP5-2024-1209=1 SUSE-SLE-Live-Patching-12-SP5-2024-1210=1 SUSE-

Topics%20covered

Topics Covered

security advisory security update DoS issue security fix SUSE Linux patches Linux Kernel

References

* bsc#1219296

Cross-

* CVE-2023-52340

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

Affected Products:

* openSUSE Leap 15.3

* SUSE Linux Enterprise High Performance Computing 12 SP5

* SUSE Linux Enterprise High Performance Computing 15 SP2

* SUSE Linux Enterprise High Performance Computing 15 SP3

* SUSE Linux Enterprise Live Patching 15-SP2

* SUSE Linux Enterprise Live Patching 12-SP5

* SUSE Linux Enterprise Live Patching 15-SP3

* SUSE Linux Enterprise Micro 5.1

* SUSE Linux Enterprise Micro 5.2

* SUSE Linux Enterprise Server 12 SP5

* SUSE Linux Enterprise Server 15 SP2

* SUSE Linux Enterprise Server 15 SP3

* SUSE Linux Enterprise Server for SAP Applications 12 SP5

* SUSE Linux Enterprise Server for SAP Applications 15 SP2

Severity
critical
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2024:1207-1
Rating: important

Topics%20covered

Topics Covered

security advisory security update DoS issue security fix SUSE Linux patches Linux Kernel

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