EUVD-2025-36470

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Disallow dirty tracking if incoherent page walk Dirty page tracking relies on the IOMMU atomically updating the dirty bit in the paging-structure entry. For this operation to succeed, the paging- structure memory must...

CVE-2025-40058

CVE-2025-40058 is a Linux kernel vulnerability affecting the iommu/vt-d path. The issue arises when the IOMMU page walk is incoherent, causing dirty page tracking to fail because the IOMMU and CPU cannot atomically update the dirty bit in the paging-structure entry. The mitigation described in th...