CVE-2026-68324

In the Linux kernel, the following vulnerability has been resolved: iommu/intel: Fix out-of-bounds memset in dmarlatencydisable dmarlatencydisable intends to zero out only the single latencystatistic entry for the given type, but the memset size was computed as sizeoflstat DMARLATENCYNUM, which...

CVE-2026-68324

This CVE concerns the Linux kernel’s IOMMU Intel DMAR latency code. The vulnerability arises in dmar_latency_disable(), which intends to clear only the single latency_statistic entry for the given type. However, the memset size was computed as sizeof(*lstat) * DMAR_LATENCY_NUM, causing the operat...

CVE-2026-68324 iommu/intel: Fix out-of-bounds memset in dmar_latency_disable()

In the Linux kernel, the following vulnerability has been resolved: iommu/intel: Fix out-of-bounds memset in dmarlatencydisable dmarlatencydisable intends to zero out only the single latencystatistic entry for the given type, but the memset size was computed as sizeoflstat DMARLATENCYNUM, which...

EUVD-2026-55425

In the Linux kernel, the following vulnerability has been resolved: iommu/intel: Fix out-of-bounds memset in dmarlatencydisable dmarlatencydisable intends to zero out only the single latencystatistic entry for the given type, but the memset size was computed as sizeoflstat DMARLATENCYNUM, which...

PT-2026-69724

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds memset occurs in the dmar latency disable function. The function intends to zero out a single latency statistic entry for a specific type, but it incorrectly computes th...

CVE-2026-52953 iommu/vt-d: Fix oops due to out of scope access

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix oops due to out of scope access Below oops triggers when kill QEMU process: Oops: general protection fault, probably for non-canonical address 0x7fffffff844eaaa7: 0000 1 SMP NOPTI Call Trace: dorawspinlock+0xaa/0x...

Vulnerability of the alloc_iommu() function in the drivers/iommu/dmar.c module – This is a Linux kernel IOMMU support driver that allows a hacker to trigger a service failure.

Vulnerability of the allociommu function in the drivers/iommu/dmar.c module – The Linux kernel’s IOMMU support driver has a vulnerability related to improper exception handling. Exploiting this vulnerability can allow an attacker to cause service failures...

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...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-987085)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987085 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...

SUSE CVE-2022-50093

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...

DEBIAN-CVE-2022-50093

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...

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...

Vulnerability of the alloc_iommu() function in the drivers/iommu/intel/dmar.c file – This is a driver for Linux’s IOMMU support. It allows an attacker to gain access to protected information or cause service interruptions.

Vulnerability of the allociommu function in the drivers/iommu/intel/dmar.c file – The Linux kernel’s IOMMU support driver is vulnerable due to the repeated use of previously freed memory. Exploiting this vulnerability could allow an attacker to access protected information or cause service failur...

SUSE CVE-2025-21876

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix suspicious RCU usage 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. Fix it by...

DEBIAN-CVE-2025-21876

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix suspicious RCU usage 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. Fix it by...

UBUNTU-CVE-2025-21876

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix suspicious RCU usage 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. Fix it by...

OESA-2025-1035 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix PCI device refcount leak in dmardevscopeinit foreachpcidev is implemented by pcigetdevice. The comment of pcigetdevice says that it will increase...

SUSE CVE-2022-49002

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix PCI device refcount leak in dmardevscopeinit foreachpcidev is implemented by pcigetdevice. The comment of pcigetdevice says that it will increase the reference count for the returned pcidev and also decrease the...

DEBIAN-CVE-2022-49002

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix PCI device refcount leak in dmardevscopeinit foreachpcidev is implemented by pcigetdevice. The comment of pcigetdevice says that it will increase the reference count for the returned pcidev and also decrease the...

UBUNTU-CVE-2022-49002

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix PCI device refcount leak in dmardevscopeinit foreachpcidev is implemented by pcigetdevice. The comment of pcigetdevice says that it will increase the reference count for the returned pcidev and also decrease the...