#VU118506 Input validation error in Linux kernel - CVE-2025-40197
Published: November 13, 2025
Vulnerability identifier: #VU118506
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-2025-40197
CWE-ID: CWE-20
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 input validation within the media_devnode_release() and media_devnode_unregister() functions in drivers/media/mc/mc-devnode.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/5d327391f9fafeb0938be4fc538dd0bd54a0b2ef
- https://git.kernel.org/stable/c/64dbc6f50ce92b7da203b1bcdd96a370bbc9b74d
- https://git.kernel.org/stable/c/7bd4e5367d0940ccec4d7546bb6bd019ab2c71aa
- https://git.kernel.org/stable/c/7db47e737128b3585ae679b709b85f3f44cd8750
- https://git.kernel.org/stable/c/8cfc8cec1b4da88a47c243a11f384baefd092a50
- https://git.kernel.org/stable/c/8f52c7f38f0f2ee2afc331e6b873acba5e9490a8
- https://git.kernel.org/stable/c/ac01416d477c2dc6016782635ae022f8cc634a29
- https://git.kernel.org/stable/c/dd156f44ea82cc249f46c519eed3b2f8983c8002