CVE-2026-46312

CVE-2026-46312 is a Linux kernel vulnerability involving media: videobuf2 where vb2_dma_sg_mmap did not set the VMA flags, potentially triggering a WARN_ON in drm_gem_mmap_obj() during mmap() of an imported dma-buf. The fix adds proper VMA flag handling in vb2_dma_sg_mmap_mmap (consistent with vb...

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...

UBUNTU-CVE-2024-56594

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: set the right AMDGPU sg segment limitation The driver needs to set the correct maxsegmentsize; otherwise debugdmamapsg will complain about the over-mapping of the AMDGPU sg length as following: WARNING: CPU: 6 PID: 19...