Race condition within a thread in Linux kernel - CVE-2022-49634
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104832
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-49634
CWE-ID: CWE-366
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 corrupt data.
The vulnerability exists due to a data race within the proc_dou8vec_minmax() function in kernel/sysctl.c. A local user can corrupt data.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/5f776daef0b5354615ec4b4234cd9539ca05f273
- https://git.kernel.org/stable/c/7dee5d7747a69aa2be41f04c6a7ecfe3ac8cdf18
- https://git.kernel.org/stable/c/e58b02e445463065b4078bf621561da75197853f
- https://git.kernel.org/stable/c/f177b382c33900d0e5a9766493c11a1074076f78
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.178