CVE-2026-31456

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...

CVE-2026-31442

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix possible invalid memory access after FLR In the case that the first Function Level Reset FLR concludes correctly, but in the second FLR the scratch area for the saved configuration cannot be allocated, it's...

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...

CVE-2026-31468

CVE-2026-31468 affects the Linux kernel vfio/pci dma-buf feature. The issue is an error-path handling bug in vfio_pci_core_feature_dma_buf() that can cause an unbalanced refcount and a double free under certain conditions (e.g., file descriptor exhaustion). The documented fix moves the dma_buf_pu...

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...

CVE-2026-31456

CVE-2026-31456 affects the Linux kernel mm/pagewalk: a race between concurrent splitting of a PUD entry in walk_pud_range() and a refault can cause a PMD range to disappear, triggering a kernel BUG during certain NUMA reads with VFIO-PCI DMA setup. The fix validates the PUD entry with a stable sn...

CVE-2026-31456 mm/pagewalk: fix race between concurrent split and refault

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...

CVE-2026-31443 dmaengine: idxd: Fix crash when the event log is disabled

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix crash when the event log is disabled If reporting errors to the event log is not supported by the hardware, and an error that causes Function Level Reset FLR is received, the driver will try to restore the...

CVE-2026-31441 dmaengine: idxd: Fix memory leak when a wq is reset

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix memory leak when a wq is reset idxdwqdisablecleanup which is called from the reset path for a workqueue, sets the wq type to NONE, which for other parts of the driver mean that the wq is empty all its resourc...

CVE-2026-31442 dmaengine: idxd: Fix possible invalid memory access after FLR

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix possible invalid memory access after FLR In the case that the first Function Level Reset FLR concludes correctly, but in the second FLR the scratch area for the saved configuration cannot be allocated, it's...

CVE-2026-31439 dmaengine: xilinx: xdma: Fix regmap init error handling

In the Linux kernel, the following vulnerability has been resolved: dmaengine: xilinx: xdma: Fix regmap init error handling devmregmapinitmmio returns an ERRPTR upon error, not NULL. Fix the error check and also fix the error message. Use the error code from ERRPTR instead of the wrong value in r...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013857)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013857 advisory. In the Linux kernel, the following vulnerability has been resolved: serial: amba-pl011: avoid SBSA UART accessing DMACR register Chapter B Generic UART in ARM Server...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013772)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013772 advisory. In the Linux kernel, the following vulnerability has been resolved: serial: pch: Fix PCI device refcount leak in pchrequestdma As comment of pcigetslot says, it...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013669)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013669 advisory. In the Linux kernel, the following vulnerability has been resolved: misc: pciendpointtest: Fix pciendpointtestcopy,write,read panic The dmamapsingle doesn't permit...

PT-2026-34347

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the dmaengine idxd component where an invalid memory access can occur. This happens if a first Function Level Reset FLR completes successfully, but a subsequent second...

PT-2026-34345

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak occurs in the dmaengine idxd component during the device removal process. When a device is reset, configuration registers return to their default state of zero. The driver...

Linux Distros Unpatched Vulnerability : CVE-2026-31485

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - spi: spi-fsl-lpspi: fix teardown order issue UAF There is a teardown order issue in the driver. The SPI controller is registered using devmspiregistercontroller...

PT-2026-34373

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

PT-2026-34361

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 walk pud range can race with a concurrent thread refaulting the PUD leaf entry causing it to try walking a PMD range that has disappeared...

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...