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SUSE: 2024:1249-1 Important: Live Patch Fix, DoS and Memory Security Issues

suse
Calendar Grey April 11, 2024
Dist Suse Esm H88
Critical system patches for Linux Kernel tackling various significant vulnerabilities in multiple SUSE distributions.

* bsc#1218613 * bsc#1219078 * bsc#1219296 Cross-References:

Summary

## This update for the Linux Kernel 5.3.18-150300_59_130 fixes several issues. The following security issues were fixed: * CVE-2024-0565: Fixed an out-of-bounds memory read flaw in receive_encrypted_standard in fs/smb/client/smb2ops.c (bsc#1219078). * CVE-2023-42753: Fixed an array indexing vulnerability in the netfilter subsystem. This issue may have allowed a local user to crash the system or potentially escalate their privileges (bsc#1218613). * 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:

Topics%20covered

Topics Covered

security advisory DoS important SUSE Linux Kernel array indexing memory read flaw

References

* bsc#1218613

* bsc#1219078

* bsc#1219296

Cross-

* CVE-2023-42753

* CVE-2023-52340

* CVE-2024-0565

CVSS scores:

* CVE-2023-42753 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-42753 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* 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-2024-0565 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2024-0565 ( NVD ): 7.4 CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Affected Products:

* openSUSE Leap 15.3

* 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 15-SP3

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2024:1249-1
Rating: important

Topics%20covered

Topics Covered

security advisory DoS important SUSE Linux Kernel array indexing memory read flaw

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