SB2025020376 - Improper locking in Linux kernel afs
Published: February 3, 2025
Security Bulletin ID
SB2025020376
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-2025-21672)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the afs_proc_addr_prefs_write() function in fs/afs/addr_prefs.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.