SB20250422116 - Improper locking in Linux kernel f2fs
Published: April 22, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250422116
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-2025-23130)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the MAIN_SECS(), spin_unlock(), __get_next_segno(), new_curseg() and f2fs_randomize_chunk() functions in fs/f2fs/segment.c, within the f2fs_expand_inode_data() function in fs/f2fs/file.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.