CVE-2025-40155

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: debugfs: Fix legacy mode page table dump logic In legacy mode, SSPTPTR is ignored if TT is not 00b or 01b. SSPTPTR maybe uninitialized or zero in that case and may cause oops like: Oops: general protection fault,...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989087)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989087 advisory. In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix PCI device refcount leak in dmardevscopeinit foreachpcidev is implemented by...

CVE-2025-40058 iommu/vt-d: Disallow dirty tracking if incoherent page walk

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...

EUVD-2021-15367

Malware in sbrugna...

CVE-2022-50482

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Clean up sidomain in the initdmars error path A splat from kmemcachedestroy was seen with a kernel prior to commit ee2653bbe89d "iommu/vt-d: Remove domain and devinfo mempool" when there was a failure in initdmars,...

CVE-2024-50101 iommu/vt-d: Fix incorrect pci_for_each_dma_alias() for non-PCI devices

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix incorrect pciforeachdmaalias for non-PCI devices Previously, the domaincontextclear function incorrectly called pciforeachdmaalias to set up context entries for non-PCI devices. This could lead to kernel hangs or...

VT-d: Failure to quarantine devices in !HVM builds

ISSUE DESCRIPTION Incorrect placement of a preprocessor directive in source code results in logic that doesn't operate as intended when support for HVM guests is compiled out of Xen. IMPACT When a device is removed from a domain, it is not properly quarantined and retains its access to the domain...

SUSE-SU-2022:2158-1 Security update for xen

This update for xen fixes the following issues: - CVE-2022-26356: Fixed potential race conditions in dirty memory tracking that could cause a denial of service in the host bsc1197423. - CVE-2022-26357: Fixed a potential race condition in memory cleanup for hosts using VT-d IOMMU hardware, which...

CVE-2021-28710

certain VT-d IOMMUs may not work in shared page table mode For efficiency reasons, address translation control structures page tables may and, on suitable hardware, by default will be shared between CPUs, for second-level translation EPT, and IOMMUs. These page tables are presently set up to alwa...