Memory Leak in AMD GPU Driver for Linux Kernel

CVE-2024-56753

What is CVE-2024-56753?

In the Linux kernel, a vulnerability exists within the AMD GPU driver related to the GFX9 hardware. This vulnerability arises from an omission in the implementation of cleaner shader support. Specifically, the lack of proper deinitialization in the gfx_v9_0_sw_fini function can lead to memory not being released correctly, resulting in potential memory leaks. This situation can compromise the GPU state during subsequent initialization processes, thus affecting overall system stability and performance. The recent patch introduces necessary code to ensure that resources allocated for the cleaner shader are adequately freed, thereby improving memory management and reliability for affected users.

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