#VU104670 Improper locking in Linux kernel - CVE-2022-49371
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104670
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-2022-49371
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 __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.
External links
- 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