SB2026030462 - Improper locking in Linux kernel f2fs
Published: March 4, 2026
Security Bulletin ID
SB2026030462
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-2026-23232)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the f2fs_disable_checkpoint(), f2fs_enable_checkpoint() and f2fs_fill_super() functions in fs/f2fs/super.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.