CVE-2025-38393

CVE-2025-38393 affects the Linux kernel (NFSv4/pNFS) where a race to wake on NFS_LAYOUT_DRAIN could occur. The issue occurs when multiple tasks wait for a page lock during writeback and a waiter/waker race with pnfs_update_layout() occurs while pnfs_layout_hdr’s plh_outstanding count is zero. The...

CVE-2025-38520

In CVE-2025-38520, the Linux kernel’s DRM/AMDKFD path could deadlock during MMU notifier callbacks when a process exits, potentially leaking VRAM. The root cause was calling mmput from the MMU notifier callback, risking release of the mm struct and exit_mmap/free_pgtable. The fix takes a non-zero...