#VU122910 Improper locking in Linux kernel - CVE-2026-23168
Published: February 16, 2026
Vulnerability identifier: #VU122910
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-2026-23168
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 fprop_global_destroy() function in lib/flex_proportions.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/0acc9ba7a1b5ba4d998c5753e709be904e179b75
- https://git.kernel.org/stable/c/78ede9ebd679dadf480dce6f7b798e3603f88348
- https://git.kernel.org/stable/c/884b2590ffcc7222cbbd6298051f4c243cc36f5d
- https://git.kernel.org/stable/c/b91a84299d72ae0e05551e851e47cd3008bd025b
- https://git.kernel.org/stable/c/dd9e2f5b38f1fdd49b1ab6d3a85f81c14369eacc