#VU107738 Improper locking in Linux kernel - CVE-2025-23132
Published: April 22, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU107738
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-2025-23132
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_sync_fs(), f2fs_remount(), limit_reserve_root(), f2fs_quota_sync(), f2fs_quota_on(), __f2fs_quota_off(), f2fs_quota_off(), f2fs_dquot_initialize(), f2fs_update_time() and kill_f2fs_super() functions in fs/f2fs/super.c, within the block_operations(), f2fs_unlock_all() and f2fs_issue_checkpoint() functions in fs/f2fs/checkpoint.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.