The vulnerability of the p2pmem_alloc_mmap() function in the drivers/pci/p2pdma.c module of the Linux operating system’s PCI device driver allows a hacker to cause a service failure.

The vulnerability of the p2pmemallocmmap function in the drivers/pci/p2pdma.c module of the Linux operating system’s PCI device driver is related to errors during the update of the reference counter. Exploiting this vulnerability could allow an attacker to cause a service failure...

SUSE CVE-2026-74277

In the Linux kernel, the following vulnerability has been resolved: iommu/dma-iommu: Fix wrong scatterlist length assignment in P2PDMA path In iommudmamapsg, when handling PCI P2PDMA cases, the DMA length of the current scatterlist segment s is incorrectly assigned from the head entry sg-length...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iommu/dma-iommu: Fixed an error in assigning the length of the scatterlist in the P2PDMA path. In iommudmamapsg, when handling PCI P2PDMA cases, the DMA length of the current scatterlist segment s is incorrectly assigned from the...

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...

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. - In the Linux kernel, the following vulnerability has been resolved: iommu/dma-iommu: Fix wrong scatterlist length assignment in P2PDMA path In iommudmamapsg, wh...

CVE-2026-74277

In the Linux kernel, the following vulnerability has been resolved: iommu/dma-iommu: Fix wrong scatterlist length assignment in P2PDMA path In iommudmamapsg, when handling PCI P2PDMA cases, the DMA length of the current scatterlist segment s is incorrectly assigned from the head entry sg-length...

CVE-2026-74277

In the Linux kernel, the following vulnerability has been resolved: iommu/dma-iommu: Fix wrong scatterlist length assignment in P2PDMA path In iommudmamapsg, when handling PCI P2PDMA cases, the DMA length of the current scatterlist segment s is incorrectly assigned from the head entry sg-length...

UBUNTU-CVE-2026-74277

In the Linux kernel, the following vulnerability has been resolved: iommu/dma-iommu: Fix wrong scatterlist length assignment in P2PDMA path In iommudmamapsg, when handling PCI P2PDMA cases, the DMA length of the current scatterlist segment s is incorrectly assigned from the head entry sg-length...

CVE-2026-74277 iommu/dma-iommu: Fix wrong scatterlist length assignment in P2PDMA path

In the Linux kernel, the following vulnerability has been resolved: iommu/dma-iommu: Fix wrong scatterlist length assignment in P2PDMA path In iommudmamapsg, when handling PCI P2PDMA cases, the DMA length of the current scatterlist segment s is incorrectly assigned from the head entry sg-length...

CVE-2026-74277 iommu/dma-iommu: Fix wrong scatterlist length assignment in P2PDMA path

In the Linux kernel, the following vulnerability has been resolved: iommu/dma-iommu: Fix wrong scatterlist length assignment in P2PDMA path In iommudmamapsg, when handling PCI P2PDMA cases, the DMA length of the current scatterlist segment s is incorrectly assigned from the head entry sg-length...

CVE-2026-74277

The CVE-2026-74277 issue is in the Linux kernel iommu/dma-iommu code, specifically the P2PDMA path. In iommu_dma_map_sg(), the DMA length for the current scatterlist segment was erroneously taken from the head entry (sg->length) instead of the current entry (s->length). This causes all P2PD...

EUVD-2026-59424

In the Linux kernel, the following vulnerability has been resolved: iommu/dma-iommu: Fix wrong scatterlist length assignment in P2PDMA path In iommudmamapsg, when handling PCI P2PDMA cases, the DMA length of the current scatterlist segment s is incorrectly assigned from the head entry sg-length...

PT-2026-72713

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the iommu dma map sg function when handling PCI P2PDMA cases. The DMA length of the current scatterlist segment s is incorrectly assigned from the head entry sg-length...

CVE-2026-74277: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: iommu/dma-iommu: Fix wrong scatterlist length assignment in P2PDMA path In iommudmamapsg, when handling PCI P2PDMA cases, the DMA length of the current scatterlist segment s is incorrectly assigned from the head entry sg-length...

CVE-2026-46268

In the Linux kernel, the following vulnerability has been resolved: PCI/P2PDMA: Fix p2pmemallocmmap warning condition Commit b7e282378773 has already changed the initial page refcount of p2pdma page from one to zero, however, in p2pmemallocmmap it uses "VMWARNONONCEPAGE!pagerefcountpage" to asser...

CVE-2026-46268

In the Linux kernel, the following vulnerability has been resolved: PCI/P2PDMA: Fix p2pmemallocmmap warning condition Commit b7e282378773 has already changed the initial page refcount of p2pdma page from one to zero, however, in p2pmemallocmmap it uses "VMWARNONONCEPAGE!pagerefcountpage" to asser...

CVE-2026-46268

The CVE relates to the Linux kernel PCI/P2PDMA subsystem. A warning in p2pmem_alloc_mmap() was triggered by an assertion VM_WARN_ON_ONCE_PAGE(!page_ref_count(page)) after the initial page refcount was changed to zero by a prior patch. The issue arises only when CONFIG_DEBUG_VM is enabled, produci...

Linux Distros Unpatched Vulnerability : CVE-2026-46268

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - PCI/P2PDMA: Fix p2pmemallocmmap warning condition Commit b7e282378773 has already changed the initial page refcount of p2pdma page from one to zero, however, in...

CVE-2026-46268: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: PCI/P2PDMA: Fix p2pmemallocmmap warning condition Commit b7e282378773 has already changed the initial page refcount of p2pdma page from one to zero, however, in p2pmemallocmmap it uses "VMWARNONONCEPAGE!pagerefcountpage" to asser...

CVE-2026-45880

A flaw was found in the Linux kernel's PCI/P2PDMA subsystem. When the vminsertpage function fails during memory allocation, the system does not properly release a per-CPU reference for the page map. This oversight can lead to a resource leak, causing the memunmappages function to hang indefinitel...