Improper locking in Linux kernel - CVE-2022-49751
Published: March 27, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU106198
CSH Severity: Low
CVSS v4.0: 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-2022-49751
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the w1_process() function in drivers/w1/w1.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-49751
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/190b5c3bbd5df685bb1063bda048831d72b8f1d4
- https://git.kernel.org/stable/c/216f35db6ec6a667cd9db4838d657c1d2f4684da
- https://git.kernel.org/stable/c/276052159ba94d4d9f5b453fb4707d6798c6b845
- https://git.kernel.org/stable/c/36225a7c72e9e3e1ce4001b6ce72849f5c9a2d3b
- https://git.kernel.org/stable/c/89c62cee5d4d65ac75d99b5f986f7f94290e888f
- https://git.kernel.org/stable/c/bccd6df4c177b1ad766f16565ccc298653d027d0
- https://git.kernel.org/stable/c/cfc7462ff824ed6718ed0272ee9aae88e20d469a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.9