#VU116805 Improper locking in Linux kernel - CVE-2022-50534
Published: October 8, 2025 / Updated: October 26, 2025
Vulnerability identifier: #VU116805
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-2022-50534
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 __open_metadata() function in drivers/md/dm-thin-metadata.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/3db757ffdd87ed8d7118b2250236a496502a660f
- https://git.kernel.org/stable/c/4b710e8481ade7c9200e94d3018e99dc42a0a0e8
- https://git.kernel.org/stable/c/7991dbff6849f67e823b7cc0c15e5a90b0549b9f
- https://git.kernel.org/stable/c/87d69b8824ca9b090f5a8ed47f758e8f6eecb871
- https://git.kernel.org/stable/c/94f01ecc2aa0be992865acc80ebb6701f731f955
- https://git.kernel.org/stable/c/a63ce4eca86fd207e3db07c00fb7ccf4adf1b230
- https://git.kernel.org/stable/c/b35a22760aa5008d82533e59b0f0b5eb1b02d4e5
- https://git.kernel.org/stable/c/b91f481300e3a10eaf66b94fc39b740928762aaf
- https://git.kernel.org/stable/c/f758987ff0af3a4b5ee69e95cab6a5294e4367b0
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.229