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SUSE: 2024:1236-1 Important: Linux Kernel Live Patch 3 DoS Threat

suse
Calendar Grey April 11, 2024
Dist Suse Esm H88
Patch released for the Linux Kernel targeting severe vulnerabilities in SLE 15 SP5, particularly focusing on Denial of Service concerns.

* bsc#1218613 * bsc#1219078 * bsc#1219296 * bsc#1219432

Summary

## This update for the Linux Kernel 5.14.21-150500_55_19 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-2024-1085: Fixed nf_tables use-after-free vulnerability in the nft_setelem_catchall_deactivate() function (bsc#1219432). * CVE-2023-52340: Fixed ICMPv6 “Packet Too Big” packets force a DoS of the Linux kernel by forcing 100% CPU (bsc#1219296). ## Patch Instructions:

Topics%20covered

Topics Covered

security advisory DoS kernel patch SUSE important update memory issues array flaw

References

* bsc#1218613

* bsc#1219078

* bsc#1219296

* bsc#1219432

Cross-

* CVE-2023-42753

* CVE-2023-52340

* CVE-2024-0565

* CVE-2024-1085

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

* CVE-2024-1085 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2024-1085 ( NVD ): 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 15.5

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2024:1236-1
Rating: important

Topics%20covered

Topics Covered

security advisory DoS kernel patch SUSE important update memory issues array flaw

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