Bug 2426151 (CVE-2022-50842) - CVE-2022-50842 kernel: drm/virtio: Check whether transferred 2D BO is shmem
Summary: CVE-2022-50842 kernel: drm/virtio: Check whether transferred 2D BO is shmem
Keywords:
Status: NEW
Alias: CVE-2022-50842
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-12-30 13:12 UTC by OSIDB Bzimport
Modified: 2025-12-31 05:31 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2025-12-30 13:12:38 UTC 
In the Linux kernel, the following vulnerability has been resolved:

drm/virtio: Check whether transferred 2D BO is shmem

Transferred 2D BO always must be a shmem BO. Add check for that to prevent
NULL dereference if userspace passes a VRAM BO.
Comment 1 Alexander B 2025-12-31 05:29:06 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025123020-CVE-2022-50842-e43a@gregkh/T
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