intel vt d

CVE-2026-43161, published by NVD on May 6, 2026, describes a Linux kernel Intel VT-d flaw where PCIe devices using ATS and passthrough can hard-lock a host when the device becomes inaccessible during removal, link failure, or userspace teardown. That sounds like a narrow kernel corner case, and...

The Linux kernel's VT-d IOMMU driver received a targeted upstream patch that closes a race-condition and use-after-free exposure in the I/O page-fault (IOPF) reporting path by switching to a rbtree lookup for probed devices and introducing a synchronization mutex — a change that corrects a...