CVE-2026-64591 iommu/vt-d: Avoid WARNING in sva unbind path

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Avoid WARNING in sva unbind path The Intel IOMMU driver allows SVA on devices even if they do not support PCI/PRI. Commit 39c20c4e83b9 "iommu/vt-d: Only handle IOPF for SVA when PRI is supported" modified the SVA bind...

EUVD-2026-53778

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Avoid WARNING in sva unbind path The Intel IOMMU driver allows SVA on devices even if they do not support PCI/PRI. Commit 39c20c4e83b9 "iommu/vt-d: Only handle IOPF for SVA when PRI is supported" modified the SVA bind...

CVE-2026-64591

The CVE-2026-64591 entry concerns the Linux kernel Intel IOMMU (vt-d) driver and the SVA binding/unbinding logic when PRI is not supported. The root cause is that a previous commit skipped IOPF enablement for SVA on non-PRI hardware during bind, but the unbind path was not similarly updated, caus...