SB2025062054 - Improper locking in Linux kernel power
Published: June 20, 2025 Updated: June 21, 2025
Security Bulletin ID
SB2025062054
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper locking (CVE-ID: CVE-2022-50202)
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 website.
References
- 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