Vulnerability in Linux Kernel Related to AMD GPU VRAM Attributes

CVE-2025-40289

What is CVE-2025-40289?

A significant vulnerability has been identified within the Linux kernel that impacts AMD graphics processing units (GPUs). Specifically, the issue arises from VRAM sysfs attributes being accessible on GPUs that do not have VRAM. This misconfiguration can lead to system crashes when these attributes are accessed. The vulnerability highlights the importance of proper access control measures to prevent erroneous system behavior and maintain operational stability for systems utilizing AMD GPUs.

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