Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/pagewalk: fixed a race condition between concurrent operations involving splitting PUD entries and refaulting PUD leaf entries. The splitting of a PUD entry in walkpudrange can cause a race with a concurrent thread that refaul...

EUVD-2026-24795

In the Linux kernel, the following vulnerability has been resolved: mm/pagewalk: fix race between concurrent split and refault The splitting of a PUD entry in walkpudrange can race with a concurrent thread refaulting the PUD leaf entry causing it to try walking a PMD range that has disappeared. A...

CVE-2026-31456 mm/pagewalk: fix race between concurrent split and refault

In the Linux kernel, the following vulnerability has been resolved: mm/pagewalk: fix race between concurrent split and refault The splitting of a PUD entry in walkpudrange can race with a concurrent thread refaulting the PUD leaf entry causing it to try walking a PMD range that has disappeared. A...

CVE-2026-31456

CVE-2026-31456 affects the Linux kernel mm/pagewalk: a race between concurrent splitting of a PUD entry in walk_pud_range() and a refault can cause a PMD range to disappear, triggering a kernel BUG during certain NUMA reads with VFIO-PCI DMA setup. The fix validates the PUD entry with a stable sn...