SB2026011460 - Improper locking in Linux kernel f2fs
Published: January 14, 2026
Security Bulletin ID
SB2026011460
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-2025-68772)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the f2fs_alloc_inode() function in fs/f2fs/super.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0bf1a02494c7eb5bd43445de4c83c8592e02c4bf
- https://git.kernel.org/stable/c/0df713a9c082a474c8b0bcf670edc8e98461d5a0
- https://git.kernel.org/stable/c/10b591e7fb7cdc8c1e53e9c000dc0ef7069aaa76
- https://git.kernel.org/stable/c/ad26bfbc085c939b5dca77ff8c14798c06d151c4
- https://git.kernel.org/stable/c/bcd0086ee5a2e88c1224ff2ec1e4a43c83efe5a0