UBUNTU-CVE-2026-64591

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...

PT-2026-61074

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the iommu/vt-d component where the kernel lacks dirty tracking support on nested domains attached to a Process Address Space ID PASID. A PASID is a unique identifier...

CVE-2025-58149

CVE-2025-58149 affects the Xen hypervisor. The detach logic for PCI devices fails to remove access permissions to 64‑bit memory BARs when a device is unplugged, allowing PV guests to access memory of devices no longer assigned to them (HVM implications noted with required compromised device model...

DEBIAN-CVE-2022-26357

race in VT-d domain ID cleanup Xen domain IDs are up to 15 bits wide. VT-d hardware may allow for only less than 15 bits to hold a domain ID associating a physical device with a particular domain. Therefore internally Xen domain IDs are mapped to the smaller value range. The cleaning up of the...