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Change History

In the Linux kernel, the following vulnerability has been resolved:

drm/amdkfd: Fix a race condition of vram buffer unref in svm code

prange->svm_bo unref can happen in both mmu callback and a callback after
migrate to system ram. Both are async call in different tasks. Sync svm_bo
unref operation to avoid random "use-after-free".

kernel.org https://git.kernel.org/stable/c/50f35a907c4f9ed431fd3dbb8b871ef1cbb0718e [No types assigned]

kernel.org https://git.kernel.org/stable/c/709c348261618da7ed89d6c303e2ceb9e453ba74 [No types assigned]

kernel.org https://git.kernel.org/stable/c/7d43cdd22cd81a2b079e864c4321b9aba4c6af34 [No types assigned]

kernel.org https://git.kernel.org/stable/c/c772eacbd6d0845fc922af8716bb9d29ae27b8cf [No types assigned]

kernel.org https://git.kernel.org/stable/c/fc0210720127cc6302e6d6f3de48f49c3fcf5659 [No types assigned]