SB2024071363 - Improper locking in Linux kernel mm
Published: July 13, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024071363
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper locking (CVE-ID: CVE-2024-40949)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the shmem_replace_folio() function in mm/shmem.c, within the __mem_cgroup_uncharge_folios() function in mm/memcontrol.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.