#VU121408 Improper locking in Linux kernel - CVE-2025-68772
Published: January 14, 2026
Vulnerability identifier: #VU121408
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-68772
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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 repository.
External links
- 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