Input validation error in Linux kernel - CVE-2025-40207
Published: November 13, 2025
Vulnerability identifier: #VU118488
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-2025-40207
CWE-ID: CWE-20
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 input validation within the include/media/v4l2-subdev.h. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2025-40207
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/5b0057459cdc243ffb35617603142dcace09c711
- https://git.kernel.org/stable/c/94e6336dc1f06a06f5b4cd04d4a012bba34f2857
- https://git.kernel.org/stable/c/a553530b3314a0bdc98cf114cdbe204551a70a00
- https://git.kernel.org/stable/c/ed30811fbed40751deb952bde534aa2632dc0bf7
- https://git.kernel.org/stable/c/f37df9a0eb5e43fcfe02cbaef076123dc0d79c7e