SB20250226488 - Improper locking in Linux kernel base driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226488
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-2022-49371)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the __device_attach() function in drivers/base/dd.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/34fdd9b7def9d2fcb71bb7b0bc4848dd7313767e
- https://git.kernel.org/stable/c/36ee9ffca8ef56c302f2855c4a5fccf61c0c1ada
- https://git.kernel.org/stable/c/593b595332bd2d65e1a5c1ae7897996c157f5468
- https://git.kernel.org/stable/c/b232b02bf3c205b13a26dcec08e53baddd8e59ed
- https://git.kernel.org/stable/c/d53a227bfcd5160ce1b61d9954901968a20651e7
- https://git.kernel.org/stable/c/df6de52b80aa3b46f5ac804412355ffe2e1df93e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.47