#VU111581 Improper locking in Linux kernel - CVE-2022-50082
Published: June 20, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111581
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-2022-50082
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 ext4_bmap() function in fs/ext4/inode.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/30dfb75e1f8645404a536c74d468d498adcd4e74
- https://git.kernel.org/stable/c/51ae846cff568c8c29921b1b28eb2dfbcd4ac12d
- https://git.kernel.org/stable/c/a9fe6d1e3d343d7309f501b1f48020ce7127221f
- https://git.kernel.org/stable/c/e1682c7171a6c0ff576fe8116b8cba5b8f538b94
- https://git.kernel.org/stable/c/fa6482f374fda29a71ad44d76d35b4842d43cda4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2