Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iommu/mediatek: Remove clkdisable from mtkiommuremove. After the commit b34ea31fe013 “iommu/mediatek: Always enable the clk on resume”, the iommu clock is controlled by the runtime callback. Therefore, the clkdisable function is...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iommu/omap: Fixed a regression in the probe for NULL pointer dereferencing. The commit 3f6634d997db “iommu: Use the correct method to retrieve iommuops” started causing a NULL pointer dereference for some omap variants:...

Astra Linux – Vulnerability in amd64-microcode

IOMMU improperly handles certain special address ranges with invalid device table entries DTEs. This may allow an attacker with privileges and a compromised Hypervisor to induce DTE faults to bypass RMP checks in SEV-SNP, potentially resulting in a loss of guest integrity...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: PPC: Book3S HV: Prevent UAF in kvmspaprtceattachiommugroup It was reported that there might be a use-after-free UAF in the kvmspaprtceattachiommugroup function. The function looks up stt from tablefd, but then continues to u...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fixed a reference count leak in pprnotifier. According to the comments on pcigetdomainbusandslot, it returns a PCI device with a reference count that increments after usage. The caller must decrement the reference coun...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iommu/iova: Fixed the issue where alloc iova overflows occurred. In allocandinsertiovarange, there is a issue where retrypfn overflows. The value of iovad-anchor.pfnhi is 0UL. When iovad-cachednode equals iovad-anchor,...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: A sysfs leak was fixed in allociommu. The iommudevicesysfsadd function is called before this, so it must be cleaned up in subsequent errors...

CVE-2026-74439

A flaw was found in the Linux kernel's Input/Output Memory Management Unit IOMMU subsystem. The devicepasidtableteardown function incorrectly clears a scalable-mode context entry while its 'Present' bit remains set. This creates a window where the hardware can access a partially cleared entry,...

CVE-2026-74277

A flaw was found in the Linux kernel's iommu/dma-iommu component. When handling PCI Peer-to-Peer Direct Memory Access P2PDMA cases, an incorrect assignment of the scatterlist length can cause all segments in a multi-segment scatterlist to inherit the length of the first segment. This leads to...

CVE-2026-74520

A flaw was found in the Linux kernel's IOMMU Input/Output Memory Management Unit and IOMMUFD IOMMU File Descriptor components. This vulnerability is a Use-After-Free UAF, which means the system attempts to use memory that has already been released. Specifically, during device detachment or hardwa...

CVE-2026-74355

A flaw was found in the Linux kernel's iommu/vt-d component. This vulnerability occurs when the info-node RB-tree member is zero-initialized, and a device that does not support Address Translation Services ATS skips the devicerbtreeinsert call. If a subsequent probe step fails, the error path...

SUSE-SU-2026:23244-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 and Micro 6.1 kernel was updated to fix various security issues: The following security issues were fixed: - CVE-2025-68741: scsi: qla2xxx: Fix improper freeing of purex item bsc1255703. - CVE-2025-68818: scsi: Revert "scsi: qla2xxx: Perform lockless command...

SUSE-SU-2026:23193-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 and Micro 6.1 RT kernel was updated to fix various security issues: The following security issues were fixed: - CVE-2025-68741: scsi: qla2xxx: Fix improper freeing of purex item bsc1255703. - CVE-2025-68818: scsi: Revert "scsi: qla2xxx: Perform lockless command...

Linux Distros Unpatched Vulnerability : CVE-2026-74439

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: Clear Present bit before tearing down scalable-mode context entry devicepasidtableteardown zeroes the 128-bit scalable-mode context entry with...

Linux Distros Unpatched Vulnerability : CVE-2026-74355

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: Fix RB-tree corruption in probe error path The info-node RB-tree member is zero-initialized via kzalloc. If a device does not support ATS, the...

Linux Distros Unpatched Vulnerability : CVE-2026-74277

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iommu/dma-iommu: Fix wrong scatterlist length assignment in P2PDMA path In iommudmamapsg, when handling PCI P2PDMA cases, the DMA length of the current...

kernel: iommu: disable SVA when CONFIG_X86 is set

A security vulnerability was found in the Linux kernel's IOMMU Shared Virtual Addressing SVA implementation on x86 architecture. When SVA is enabled, the IOMMU caches kernel page table entries. Since the kernel lacks a mechanism to notify the IOMMU when kernel page table pages are freed and...

The vulnerability in the driver/iommu/intel/pasid.c component of the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the drivers/iommu/intel/pasid.c component in the Linux operating system is related to improper synchronization. Exploiting this vulnerability can allow an attacker to cause a service failure...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100732)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100732 advisory. In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix DMA FIFO desync on error CQE SQ recovery In case of a TX error CQE, a recovery flo...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-099789)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099789 advisory. In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Flush cache for PASID table before using it When writing the address of a freshly...