CVE-2026-45945

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix race condition during PASID entry replacement The Intel VT-d PASID table entry is 512 bits 64 bytes. When replacing an active PASID entry e.g., during domain replacement, the current implementation calculates a ne...

CVE-2026-45945

The CVE-2026-45945 vulnerability affects the Linux kernel iommu/vt-d PASID entry handling. A race condition arises when replacing an active 512-bit PASID table entry; the existing approach writes a new entry in place, risking torn reads if the hardware fetches the entry in multiple 128-bit chunks...

CVE-2026-45945 iommu/vt-d: Fix race condition during PASID entry replacement

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix race condition during PASID entry replacement The Intel VT-d PASID table entry is 512 bits 64 bytes. When replacing an active PASID entry e.g., during domain replacement, the current implementation calculates a ne...

PT-2026-43812

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the Intel VT-d PASID table entry replacement process. The PASID table entry is 512 bits, and the implementation copies a new entry to the table using a single...