#VU120503 Improper locking in Linux kernel - CVE-2022-50755
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120503
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-2022-50755
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 udf_rename() function in fs/udf/namei.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/090bf49833c51da297ec74f98ad2bf44daea9311
- https://git.kernel.org/stable/c/156d440dea97deada629bb51cb17887abd862605
- https://git.kernel.org/stable/c/40dba68d418237b1ae2beaa06d46a94dd946278e
- https://git.kernel.org/stable/c/4fca09045509f5bde8fc28e68fbca38cb4bdcf2e
- https://git.kernel.org/stable/c/78eba2778ae10fb2a9d450e14d26eb6f6bf1f906
- https://git.kernel.org/stable/c/9d2cad69547abea961fa80426d600b861de1952b
- https://git.kernel.org/stable/c/c791730f2554a9ebb8f18df9368dc27d4ebc38c2
- https://git.kernel.org/stable/c/d6da7ec0f94f5208c848e0e94b70f54a0bd9c587
- https://git.kernel.org/stable/c/e7a6a53c871460727be09f4414ccb29fb8697526
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.86