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SUSE 15 SP2: 2024:1257-1 critical: kernel denial of service

suse
Calendar Grey April 12, 2024
Dist Suse Esm H88
Urgent security patch for Linux Kernel, tackling significant flaws impacting SUSE Enterprise environments.

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

Summary

## This update for the Linux Kernel 5.3.18-150200_24_163 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 denial of service critical issue kernel update local privilege escalation kernel patch important SUSE suse live patching

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:

* 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

Severity
critical
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2024:1257-1
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service critical issue kernel update local privilege escalation kernel patch important SUSE suse live patching

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