#VU111567 Improper locking in Linux kernel - CVE-2022-50202
Published: June 20, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111567
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-2022-50202
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 snapshot_open(), snapshot_write() and snapshot_ioctl() functions in kernel/power/user.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/003a456ae6f70bb97e436e02fc5105be577c1570
- https://git.kernel.org/stable/c/2f0e18e0db42f4f8bc87d3d98333680065ceeff8
- https://git.kernel.org/stable/c/3c48d3067eaf878642276f053575a5c642600a50
- https://git.kernel.org/stable/c/5a283b59bce72c05c60e9f0fa92a28b5b850d8bb
- https://git.kernel.org/stable/c/8386c414e27caba8501119948e9551e52b527f59
- https://git.kernel.org/stable/c/8c90947e5f1801e6c7120021c6ea0f3ad6a4eb91
- https://git.kernel.org/stable/c/b8e1ae9433d7bd95f2dcc044a7a6f20a4c40d258
- https://git.kernel.org/stable/c/f7042cf9dd40733f387b7cac021e626c74b8856f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2