SB2025111346 - Input validation error in Linux kernel media mc driver
Published: November 13, 2025
Security Bulletin ID
SB2025111346
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2025-40197)
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 website.
References
- 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