SB2026021894 - Improper locking in Linux kernel nilfs2
Published: February 18, 2026
Security Bulletin ID
SB2026021894
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-2025-71237)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the nilfs_sufile_trim_fs() function in fs/nilfs2/sufile.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.