SB20240531111 - Use-after-free in Linux kernel mm 



SB20240531111 - Use-after-free in Linux kernel mm

Published: May 31, 2024 Updated: May 14, 2025

Security Bulletin ID SB20240531111
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-2022-48649)

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

The vulnerability exists due to a use-after-free error within the slab_kmem_cache_release() and kmem_cache_destroy() functions in mm/slab_common.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.