Deadlock Vulnerability in Linux Kernel Affecting DRM Scheduling

CVE-2025-40329

What is CVE-2025-40329?

A deadlock vulnerability has been identified in the Linux kernel's handling of DRM scheduling. This issue arises from improper locking scenarios, where concurrent operations can lead to a deadlock. Specifically, functions interacting with job dependencies, in combination with callback executions in interrupt contexts, risk holding locks that cannot be released. This vulnerability affects the functionality of DRM scheduling, potentially degrading system performance and responsiveness. It is imperative for users on affected kernel versions to apply available patches to mitigate this risk.

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