Race condition within a thread in Linux kernel - CVE-2022-49640
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104836
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-2022-49640
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 do_proc_douintvec_minmax_conv() 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/2d3b559df3ed39258737789aae2ae7973d205bc1
- https://git.kernel.org/stable/c/40e0477a7371d101c55b69d9c32a7a1ed82ab5ea
- https://git.kernel.org/stable/c/b60eddf98b9716651069dfda296c91311a7a6293
- https://git.kernel.org/stable/c/e3a2144b3b6bf9ecafd91087c8b8b48171ec19df
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.132