Linux Kernel Vulnerability in Media Subsystem Affects Device Management

CVE-2025-40197

What is CVE-2025-40197?

A vulnerability in the Linux kernel's media subsystem involves improper handling of device minor numbers. Specifically, the device minor should not be cleared after the device is released, which could lead to undefined behaviors in device management, potential data leaks, or other security issues. The flaw highlights the importance of correct resource handling in system-level components to maintain product integrity and security.

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