#VU122216 Improper locking in Linux kernel - CVE-2026-23025
Published: February 2, 2026
Vulnerability identifier: #VU122216
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-2026-23025
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 __pcp_trylock_noop(), rmqueue_bulk(), decay_pcp_high(), drain_zone_pages(), drain_pages_zone() and zone_pcp_update_cacheinfo() functions in mm/page_alloc.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.