SB2023042512 - SUSE update for the Linux Kernel RT (Live Patch 5 for SLE 15 SP4)



SB2023042512 - SUSE update for the Linux Kernel RT (Live Patch 5 for SLE 15 SP4)

Published: April 25, 2023

Security Bulletin ID SB2023042512
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use-after-free (CVE-ID: CVE-2023-1652)

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

The vulnerability exists due to a use-after-free error within the nfsd4_ssc_setup_dul() function in fs/nfsd/nfs4proc.c. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.



Remediation

Install update from vendor's website.