EUVD-2026-67562

In the Linux kernel, the following vulnerability has been resolved: mm: migratedevice: fix ptepfn/ptedirty called on non-present PTE ptepfn and ptedirty have undefined behaviour when called on a non-present PTE. In migratevmacollectpmd, these functions may be invoked on non-present entries e.g.,...

CVE-2026-80686

CVE-2026-80686 affects the Linux kernel memory management subsystem, specifically the migrate_vma_collect_pmd() function in the migrate_device path. The root cause is that pte_pfn() and pte_dirty() are invoked on non-present PTE entries (such as device-private entries), where these functions exhi...