CVE-2026-31601

CVE-2026-31601 affects the Linux kernel vfio/xe driver. When resetting a Virtual Function (VF) device that does not support migration, a kernel page fault can occur due to the vfio_pci core structure not being fully initialized until migration init. The root cause described in connected docs is t...

August 19, 2025—KB5066189 (OS Builds 22621.5771 and 22631.5771) Out-of-band

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