drm/amd/pm: Vangogh: Fix kernel memory out of bounds write

CVE-2024-50221

What is CVE-2024-50221?

A vulnerability has been identified in the AMDGPU driver within the Linux kernel, specifically in the Vangogh GPU metrics table initialization. The issue arises from an insufficient allocation size for the GPU metrics table during the initialization process, leading to potential out of bounds writes. When the GPU metrics table is populated with a larger block of memory than allocated, this can cause undefined behavior, memory corruption, or stability issues within the system. The root cause is linked to the addition of GPU metrics tables for version v2_4 components, which were not factored into the required table size. The proposed fix involves adjusting the table allocation to accommodate the necessary memory for initialization, ensuring proper function without inducing memory-related errors.

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