hwpoison

The Linux kernel fix for CVE-2025-21907 closes a subtle but real correctness window in memory‑failure handling: the kernel now updates the TTU (try_to_unmap) flag inside unmap_poisoned_folio to ensure poisoned folios are consistently marked during unmap/migration operations, preventing spurious...

The Linux kernel security community has assigned CVE-2025-37834 to a recently disclosed memory-management bug in mm/vmscan that can cause a kernel oops or panic by attempting to reclaim a hardware‑poisoned (hwpoison) folio; maintainers have published small, surgical fixes in upstream stable...