IOCTL Handling Vulnerability in Linux Kernel Media Staging by Linux

CVE-2026-46205

What is CVE-2026-46205?

A vulnerability in the Linux kernel's media staging component disallows all private IOCTLs, which may not be as safe as previously assumed. This decision was made to enhance security measures, ensuring that when any private IOCTL command is issued, the function will return early if the command is non-zero. This protects against potential misuse while maintaining compatibility with static code checkers.

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