#VU119749 Improper locking in Linux kernel - CVE-2022-50668
Published: December 10, 2025 / Updated: December 12, 2025
Vulnerability identifier: #VU119749
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-2022-50668
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 include/linux/mbcache.h. 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/127b80cefb941a81255c72f11081123f3a705369
- https://git.kernel.org/stable/c/1be16a0c2f10186df505e28b0cc92d7f3366e2a8
- https://git.kernel.org/stable/c/5bc0b2fda4b47c86278f7c6d30c211f425bf51cf
- https://git.kernel.org/stable/c/a44e84a9b7764c72896f7241a0ec9ac7e7ef38dd
- https://git.kernel.org/stable/c/af53065276376750dfac35a7248af18806404c5d
- https://git.kernel.org/stable/c/cc1538c693d25e282bed8c54b65c914a04023a78
- https://git.kernel.org/stable/c/efaa0ca678f56d47316a08030b2515678cebbc50
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.270