kernel: drm/gem: Fix inconsistent plane dimension calculation in drm_gem_fb_init_with_funcs()

A flaw was found in the Linux kernel's Direct Rendering Manager DRM Graphics Execution Manager GEM component. This vulnerability arises from an inconsistent calculation of plane dimensions, which can lead to incorrect memory allocation checks. A local attacker could exploit this by creating a...

CVE-2026-53145

A flaw was found in the Linux kernel's Direct Rendering Manager DRM Graphics Execution Manager GEM subsystem. A race condition exists within the changehandle ioctl between gemclose and gemchangehandle operations. This could lead to incorrect handling of graphics memory, potentially resulting 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-2026-46211 drm/msm/gem: fix error handling in msm_ioctl_gem_info_get_metadata()

In the Linux kernel, the following vulnerability has been resolved: drm/msm/gem: fix error handling in msmioctlgeminfogetmetadata msmioctlgeminfogetmetadata always returns 0 regardless of errors. When copytouser fails or the user buffer is too small, the error code stored in ret is ignored becaus...

CVE-2026-46209

In the Linux kernel, the following vulnerability has been resolved: drm/gem: Fix inconsistent plane dimension calculation in drmgemfbinitwithfuncs drmgemfbinitwithfuncs computes sub-sampled plane dimensions using plain integer division: unsigned int width = modecmd-width / i ? info-hsub : 1;...

CVE-2026-46065

In the Linux kernel, the following vulnerability has been resolved: fbdev: defio: Disconnect deferred I/O from the lifetime of struct fbinfo Hold state of deferred I/O in struct fbdeferrediostate. Allocate an instance as part of initializing deferred I/O and remove it only after the final mapping...

TencentOS Server 3: thunderbird (TSSA-2026:0381)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0381 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities...

UBUNTU-CVE-2026-43498

In the Linux kernel, the following vulnerability has been resolved: accel/ivpu: Disallow re-exporting imported GEM objects Prevent re-exporting of imported GEM buffers by adding a custom primehandletofd callback that checks if the object is imported and returns -EOPNOTSUPP if so. Re-exporting...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fix bootup splat with separategpudrm modparam The drmgemforeachgpuvmbo call from lookupvma accesses drmgemobj.gpuva.list, which is not initialized when the drm driver does not support DRIVERGEMGPUVA feature. Enable it fo...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Disable coherent dumb buffers without 3D. Coherent surfaces make sense only if the host renders to them using accelerated APIs. Without 3D, all the content in dumb buffers remains on the guest, making all the addition...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/shmem-helper: The erroneous “put” operation has been removed from the error path. The drmgemshmemmmap function does not have a reference in the error code path, resulting in the dma-buf shmem GEM object being freed...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/tests: shmem: Hold the reservation lock during the purge operation. The reservation lock of the GEM object must be held during calls to the purge operation of that object. The tests use drmgemshmempurgelocked, which caused...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/tests: shmem: Holding the reservation lock around vmap/vunmap operations Acquiring and releasing the reservation lock of the GEM object during vmap and vunmap operations. The tests used vmaplocked, which caused errors such...

SUSE CVE-2026-43368

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix potential overflow of shmem scatterlist length When a scatterlists table of a GEM shmem object of size 4 GB or more is populated with pages allocated from a folio, unsigned int .length attribute of a scatterlist may...

CVE-2026-43368

A flaw was found in the Linux kernel's graphics memory management drm/i915 component. This vulnerability occurs when a large shared memory object's internal list of memory segments, called a scatterlist, is populated. If the total size of these segments exceeds 4 Gigabytes GB, a numerical overflo...

CVE-2025-71298

In the Linux kernel, the following vulnerability has been resolved: drm/tests: shmem: Hold reservation lock around madvise Acquire and release the GEM object's reservation lock around calls to the object's madvide operation. The tests use drmgemshmemmadviselocked, which led to errors such as show...

CVE-2025-71301

In the Linux kernel, the following vulnerability has been resolved: drm/tests: shmem: Hold reservation lock around vmap/vunmap Acquire and release the GEM object's reservation lock around vmap and vunmap operations. The tests use vmaplocked, which led to errors such as show below. 122.292030...

CVE-2025-71298 drm/tests: shmem: Hold reservation lock around madvise

In the Linux kernel, the following vulnerability has been resolved: drm/tests: shmem: Hold reservation lock around madvise Acquire and release the GEM object's reservation lock around calls to the object's madvide operation. The tests use drmgemshmemmadviselocked, which led to errors such as show...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the improper acquisition and release of the reservation locks for GEM objects before and after vm...

Unity Linux 20.1050e / 20.1060e Security Update: kernel (UTSA-2026-010989)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010989 advisory. In the Linux kernel, the following vulnerability has been resolved: drm/client: Fix memory leak in drmclienttargetcloned dmtmode is allocated and never freed in this...