Improper locking in Linux kernel - CVE-2026-23232
Published: March 4, 2026
Vulnerability identifier: #VU123544
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2026-23232
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Linux kernel
How to mitigate CVE-2026-23232
Install update from vendor's repository.