Linux Kernel Xbox Remote Media Vulnerability Affecting DMA Operations

CVE-2026-46236

What is CVE-2026-46236?

A vulnerability in the Linux kernel's handling of Direct Memory Access (DMA) operations can lead to potential security risks. Specifically, the IO buffer used in the Xbox remote media interface must not be incorporated within the device structure, as it contravenes DMA coherency rules. This mismanagement can lead to data corruption or unexpected behavior in device interactions. A patch has been implemented to address these concerns, ensuring better integrity and security of DMA operations.

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