CVE-2026-99002: In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: validate pitch coming from userspace V

In the Linux kernel, the following vulnerability has been resolved:

drm/vmwgfx: validate pitch coming from userspace

Validate the pitch, alongside the box dimensions before trying to copy data from the underlying surface. Fixes possible out of bounds reads with cursor snooping.