CVE-2026-68324

A flaw was found in the Intel IOMMU Input/Output Memory Management Unit driver within the Linux kernel. The dmarlatencydisable function incorrectly calculates the size for a memory clear operation, leading to an out-of-bounds write. A local attacker could exploit this vulnerability to corrupt...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Skips the dev-iotlb flush for inaccessible PCIe devices without scalable mode. PCIe endpoints with ATS enabled and passed through to userspace e.g., QEMU, DPDK can cause a system hard lock when their link fails, eithe...

Linux Distros Unpatched Vulnerability : CVE-2026-68324

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iommu/intel: Fix out-of-bounds memset in dmarlatencydisable dmarlatencydisable intends to zero out only the single latencystatistic entry for the given type, bu...

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...

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...

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...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fixed the WARNON in the iommu probe path. Commit 1a75cc710b95 “iommu/vt-d: Use rbtree to track iommu-probed devices” adds all devices probed by the iommu driver to a rbtree indexed by the source ID of each device. Thi...

CVE-2026-43161

A flaw was found in the Linux kernel's Intel IOMMU Input/Output Memory Management Unit virtual technology for directed I/O VT-d subsystem. When a PCIe Peripheral Component Interconnect Express endpoint device, especially when passed through to userspace applications like QEMU or DPDK, unexpectedl...

EUVD-2026-27722

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Skip dev-iotlb flush for inaccessible PCIe device without scalable mode PCIe endpoints with ATS enabled and passed through to userspace e.g., QEMU, DPDK can hard-lock the host when their link drops, either by surprise...

Unbreakable Enterprise kernel security update: Copy Fail

5.15.0-319.201.4.4 - crypto: algifaead - Fix minimum RX size check for decryption Herbert Xu Orabug: 39291961 - crypto: afalg - Fix page reassignment overflow in afalgpulltsgl Herbert Xu Orabug: 39291961 - crypto: authencesn - Fix src offset when decrypting in-place Herbert Xu Orabug: 39291961 -...

The vulnerability of the dmar_parse_one_rhsa() function in the drivers/iommu/intel/dmar.c file of the Linux operating system’s IOMMU driver module allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the dmarparseonerhsa function in the drivers/iommu/intel/dmar.c file of the Linux operating system’s IOMMU driver is related to unvalidated array indexing. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of...

Linux Distros Unpatched Vulnerability : CVE-2022-50093

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iommu/vt-d: avoid invalid memory access via nodeonlineNUMANONODE KASAN reports: 4.668325 T0 BUG: KASAN: wild-memory-access in dmarparseonerhsa...

The vulnerability of the device_block_translation() function in the drivers/iommu/intel/iommu.c kernel module of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the deviceblocktranslation function in the drivers/iommu/intel/iommu.c kernel module of the Linux operating system is related to the dereferencing of the NULL pointer. Exploiting this vulnerability could allow an attacker to cause a service failure...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fixed suspicious RCU usage The commit “iommu/vt-d: Allocate DMAR fault interrupts locally” moved the call to enabledrhdfaulthandling to a code path that does not hold any lock while traversing the drhd list. This issu...

The vulnerability of the functions intel_iommu_init() (drivers/iommu/intel/iommu.c) and enable_drhd_fault_handling() (drivers/iommu/intel/dmar.c) in the Linux kernel allows a hacker to trigger a service failure.

The vulnerability of the functions inteliommuinit drivers/iommu/intel/iommu.c and enabledrhdfaulthandling drivers/iommu/intel/dmar.c in the Linux kernel is related to insufficient locking. Exploiting this vulnerability can allow an attacker to cause a service failure...

DEBIAN-CVE-2024-35957

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix WARNON in iommu probe path Commit 1a75cc710b95 "iommu/vt-d: Use rbtree to track iommu probed devices" adds all devices probed by the iommu driver in a rbtree indexed by the source ID of each device. It assumes tha...

UBUNTU-CVE-2024-35957

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix WARNON in iommu probe path Commit 1a75cc710b95 "iommu/vt-d: Use rbtree to track iommu probed devices" adds all devices probed by the iommu driver in a rbtree indexed by the source ID of each device. It assumes tha...

AZL-57758 CVE-2024-27079 affecting package kernel 6.6.126.1-1

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix NULL domain on device release In the kdump kernel, the IOMMU operates in deferredattach mode. In this mode, info-domain may not yet be assigned by the time the releasedevice function is called. It leads to the...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

kernel: iommu/vt-d: avoid invalid memory access via node_online(NUMA_NO_NODE)

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: avoid invalid memory access via nodeonlineNUMANONODE KASAN reports: 4.668325 T0 BUG: KASAN: wild-memory-access in dmarparseonerhsa arch/x86/include/asm/bitops.h:214 arch/x86/include/asm/bitops.h:226...