CVE-2023-52825: Concurrent Execution using Shared Resource with Improper Synchronization

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix a race condition of vram buffer unref in svm code prange-svmbo unref can happen in both mmu callback and a callback after migrate to system ram. Both are async call in different tasks. Sync svmbo unref operation t...