CVE-2024-46709 drm/vmwgfx: Fix prime with external buffers

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Multiple CVEs Addressed in drm/vmwgfx Security Updates On February 21, 2026, Microsoft published information on two vulnerabilities affecting the drm/vmwgfx driver. CVE-2024-46709 addresses issues with prime and external buffers, while CVE-2024-46710 prevents unmapping of active read buffers. Both vulnerabilities were published on September 13, 2024. 2 sources 41