CVE-2026-74520

The CVE-2026-74520 issue is in the Linux kernel’s iommu/iommufd path, where iopf_group_alloc() links the last-page IOPF group into the generic pending list and iommufd_fault_iopf_handler() queues an accepted group in the IOMMUFD deliver list without removing it from the generic list. When a devic...

CVE-2026-74520 iommu/iommufd: Fix IOPF group ownership UAF

In the Linux kernel, the following vulnerability has been resolved: iommu/iommufd: Fix IOPF group ownership UAF iopfgroupalloc links each last-page IOPF group into the generic IOPF pending list before invoking the domain fault handler. iommufdfaultiopfhandler also queued an accepted group in the...

PT-2026-72972

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A Use-After-Free UAF issue exists in the iommu/iommufd component. The iopf group alloc function links last-page IOPF groups into a generic pending list. Simultaneously, iommufd fault iop...