kernel: RDMA/umem: Fix double dma_buf_unpin in failure path

A flaw was found in the Linux kernel's RDMA/umem subsystem. A memory management error, specifically a double unpin of a dmabuf, can occur in a failure path during dmabuf pinning operations. This vulnerability could lead to system instability or a crash, resulting in a Denial of Service DoS...

kernel: RDMA/umem: Fix double dma_buf_unpin in failure path

A flaw was found in the Linux kernel's RDMA/umem subsystem. A memory management error, specifically a double unpin of a dmabuf, can occur in a failure path during dmabuf pinning operations. This vulnerability could lead to system instability or a crash, resulting in a Denial of Service DoS...

Linux Distros Unpatched Vulnerability : CVE-2026-52951

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - drm/xe/dma-buf: handle empty bo and UAF races There look to be some nasty races here when triggering the invalidatemappings hook: 1 We do xeboalloc followed by...

CVE-2026-53146

CVE-2026-53146 affects the Linux kernel Thunderbolt XDomain handling. tb_xdomain_copy() copies req->response_size bytes from the received packet buffer regardless of the actual frame size, allowing a short response to read past valid frame data into stale DMA contents. The fixed behavior is to...

PT-2026-52269

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds write exists in the heap memory of the Linux kernel within the ethosu gem cmdstream copy and validate function. The issue occurs during the command stream parsing loop...

EUVD-2026-38819

In the Linux kernel, the following vulnerability has been resolved: drm/xe/dma-buf: handle empty bo and UAF races There look to be some nasty races here when triggering the invalidatemappings hook: 1 We do xeboalloc followed by the attach, before the actual full bo init step in xedmabufinitobj...

CVE-2026-52951

In the Linux kernel, the following vulnerability has been resolved: drm/xe/dma-buf: handle empty bo and UAF races There look to be some nasty races here when triggering the invalidatemappings hook: 1 We do xeboalloc followed by the attach, before the actual full bo init step in xedmabufinitobj...

CVE-2026-52951 drm/xe/dma-buf: handle empty bo and UAF races

In the Linux kernel, the following vulnerability has been resolved: drm/xe/dma-buf: handle empty bo and UAF races There look to be some nasty races here when triggering the invalidatemappings hook: 1 We do xeboalloc followed by the attach, before the actual full bo init step in xedmabufinitobj...

CVE-2026-52951 drm/xe/dma-buf: handle empty bo and UAF races

In the Linux kernel, the following vulnerability has been resolved: drm/xe/dma-buf: handle empty bo and UAF races There look to be some nasty races here when triggering the invalidatemappings hook: 1 We do xeboalloc followed by the attach, before the actual full bo init step in xedmabufinitobj...

CVE-2026-52950

In the Linux kernel, the following vulnerability has been resolved: drm/xe/dma-buf: fix UAF with retry loop Retry doesn't work here, since bo will be freed on error, leading to UAF. However, now that we do the alloc & init before the attach, we can now combine this as one unit and have the init d...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: RDMA/umem: Fixed the issue of double dmabufunpin in the failure path. In ibumemdmabufgetpinnedwithdmadevice, the call to ibumemdmabufmappages may fail. If this occurs, the dmabuf is immediately unpinned, but the umemdmabuf-pinned...

kernel: RDMA/umem: Fix double dma_buf_unpin in failure path

A flaw was found in the Linux kernel's RDMA/umem subsystem. A memory management error, specifically a double unpin of a dmabuf, can occur in a failure path during dmabuf pinning operations. This vulnerability could lead to system instability or a crash, resulting in a Denial of Service DoS...

RHEL 9 : kernel (RHSA-2026:27713)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:27713 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: netfilter: nfconntrackh323:...

CVE-2026-46312

A flaw was found in the videobuf2 subsystem of the Linux kernel. The vb2dmasgmmap function did not correctly set Virtual Memory Area VMA flags, specifically VMDONTEXPAND and VMDONTDUMP. This oversight could lead to a kernel warning and system crash when mapping an imported Direct Memory Access DM...

CVE-2026-46312

In the Linux kernel, the following vulnerability has been resolved: media: videobuf2: Set vmaflags in vb2dmasgmmap vb2dmacontig sets VMA flags VMDONTEXPAND and VMDONTDUMP and I do not see a reason why vb2dmasg should behave differently. This avoids hitting WARNON!vma-vmflags & VMDONTEXPAND; in...

CVE-2026-46312 media: videobuf2: Set vma_flags in vb2_dma_sg_mmap

In the Linux kernel, the following vulnerability has been resolved: media: videobuf2: Set vmaflags in vb2dmasgmmap vb2dmacontig sets VMA flags VMDONTEXPAND and VMDONTDUMP and I do not see a reason why vb2dmasg should behave differently. This avoids hitting WARNON!vma-vmflags & VMDONTEXPAND; in...

CVE-2026-46312 media: videobuf2: Set vma_flags in vb2_dma_sg_mmap

In the Linux kernel, the following vulnerability has been resolved: media: videobuf2: Set vmaflags in vb2dmasgmmap vb2dmacontig sets VMA flags VMDONTEXPAND and VMDONTDUMP and I do not see a reason why vb2dmasg should behave differently. This avoids hitting WARNON!vma-vmflags & VMDONTEXPAND; in...

PT-2026-47383

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the videobuf2 component of the Linux kernel where the vb2 dma sg mmap function fails to set the VM DONTEXPAND and VM DONTDUMP VMA flags. This inconsistency with vb2 dm...

CVE-2026-46224

A flaw was found in the Linux kernel's drm/xe driver. When a buffer object allocation fails within the xedmabufinitobj function, a pre-allocated storage buffer is not correctly released. This oversight can lead to a resource leak, potentially causing system instability or a denial of service DoS...

CVE-2026-46224

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Fix bo leak in xedmabufinitobj on allocation failure When drmgpuvmresvobjectalloc fails, the pre-allocated storage bo is not freed. Add xebofreestorage before returning the error. xedmabufinitobj calls xeboinitlocked, whi...