SB2024041302 - SUSE update for the Linux Kernel (Live Patch 42 for SLE 15 SP3) 



SB2024041302 - SUSE update for the Linux Kernel (Live Patch 42 for SLE 15 SP3)

Published: April 13, 2024 Updated: May 31, 2024

Security Bulletin ID SB2024041302
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2023-1829)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the tcindex_delete() function. A local user can trigger a use-after-free error and execute arbitrary code with root privileges.


2) Race condition (CVE-ID: CVE-2023-6531)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition when the unix garbage collector's deletion of a SKB races with unix_stream_read_generic() on the socket that the SKB is queued on. A local user can exploit the race and escalate privileges on the system.


Remediation

Install update from vendor's website.