PT-2026-47383 · Linux+2 · Linux Kernel+2
CVE-2026-46312
·
Published
2026-03-16
·
Updated
2026-09-07
CVSS v3.1
5.5
Medium
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
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 dma contig can trigger a warning in the drm gem mmap obj() function during the mmap process of an imported dma-buf, specifically when using the Apple ISP camera capture driver which utilizes vb2 dma sg memops.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Incorrect Authorization
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Related Identifiers
Affected Products
Linuxmint
Linux Kernel
Ubuntu