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CVE-2022-50842

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

EPSS 0.2%
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.
Affected products
Linux · Linux

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References
https://git.kernel.org/stable/c/36e133af33ea54193378b190cf92c47c12a43d34https://git.kernel.org/stable/c/989164305b933af06d69bb91044dafbd01025371https://git.kernel.org/stable/c/e473216b42aa1fd9fc6b94b608b42c210c655908https://git.kernel.org/stable/c/f122bcb34f1a4b02ef3d95058d8fd1316ea03785https://git.kernel.org/stable/c/f134f261d76ae3d5ecf68db642eaa746ceb84cfb