CVE-2026-31468 vfio/pci: Fix double free in dma-buf feature

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Fix double free in dma-buf feature The error path through vfiopcicorefeaturedmabuf ignores its own advice to only use dmabufput after dmabufexport, instead falling through the entire unwind chain. In the unlikely event...

Linux Distros Unpatched Vulnerability : CVE-2026-31456

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm/pagewalk: fix race between concurrent split and refault The splitting of a PUD entry in walkpudrange can race with a concurrent thread refaulting the PUD lea...

CVE-2026-31468: Double Free

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Fix double free in dma-buf feature The error path through vfiopcicorefeaturedmabuf ignores its own advice to only use dmabufput after dmabufexport, instead falling through the entire unwind chain. In the unlikely event...

CVE-2026-31456: Concurrent Execution using Shared Resource with Improper Synchronization

In the Linux kernel, the following vulnerability has been resolved: mm/pagewalk: fix race between concurrent split and refault The splitting of a PUD entry in walkpudrange can race with a concurrent thread refaulting the PUD leaf entry causing it to try walking a PMD range that has disappeared. A...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-012955)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-012955 advisory. In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Disable auto-enable of exclusive INTx IRQ Currently for devices requiring masking at th...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-012974)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-012974 advisory. In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Lock external INTx masking ops Mask operations through config space changes to DisINTx...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-012946)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-012946 advisory. In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Create persistent INTx handler A vulnerability exists where the eventfd for INTx...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007268)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007268 advisory. In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Create persistent INTx handler A vulnerability exists where the eventfd for INTx...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006777)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006777 advisory. In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Disable auto-enable of exclusive INTx IRQ Currently for devices requiring masking at th...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006816)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006816 advisory. In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Lock external INTx masking ops Mask operations through config space changes to DisINTx...

PT-2026-34373

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A double free issue exists in the dma-buf feature of the vfio/pci component. The error path within the vfio pci core feature dma buf function incorrectly triggers the entire unwind chain...

PT-2026-34361

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the Linux kernel between a concurrent split and refault of a PUD entry. Specifically, the splitting of a PUD entry in the walk pud range function can race with...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003865)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003865 advisory. The VFIO PCI driver in the Linux kernel through 5.6.13 mishandles attempts to access disabled memory space. Tenable has extracted the preceding description block...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-004355)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004355 advisory. The VFIO PCI driver in the Linux kernel through 5.6.13 mishandles attempts to access disabled memory space. Tenable has extracted the preceding description block...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002946)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002946 advisory. drivers/vfio/pci/vfiopciintrs.c in the Linux kernel through 4.8.11 misuses the kzalloc function, which allows local users to cause a denial of service integer overfl...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000591)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000591 advisory. drivers/vfio/pci/vfiopciintrs.c in the Linux kernel through 4.8.11 misuses the kzalloc function, which allows local users to cause a denial of service integer overfl...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000333)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000333 advisory. A flaw was found in the Linux kernel's vfio interface implementation that permits violation of the user's locked memory limit. If a device is bound to a vfio driver,...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000451)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000451 advisory. The VFIO PCI driver in the Linux kernel through 5.6.13 mishandles attempts to access disabled memory space. Tenable has extracted the preceding description block...

mlx5vf_add_migration_pages() Function Heap Buffer Overflow DoS

Vulnerability of the mlx5vfaddmigrationpages function in the drivers/vfio/pci/mlx5/cmd.c module – VFIO device drivers for Linux operating systems are vulnerable due to the lack of memory release after the effective lifespan. Exploiting this vulnerability can allow an attacker to cause service...

CLSA-2025-1763734783 kernel: Fix of 64 CVEs

media: bttv: fix use after free error due to btv-timeout timer CVE-2023-52847 - firmware: armscpi: Ensure scpiinfo is not assigned if the probe fails CVE-2022-50087 - wifi: mwifiex: Fix OOB and integer underflow when rx packets CVE-2023-53226 - vsock: Fix transport TOCTOU CVE-2025-38461 - ALSA:...