CVE-2024-43863 drm/vmwgfx: Fix a deadlock in dma buf fence polling

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Deadlock Fixes in DRM Drivers Addressed in Recent CVEs Two vulnerabilities related to deadlocks in DRM drivers have been addressed. CVE-2025-68757, published on January 5, 2026, fixes a potential deadlock on release in the drm/vgem-fence driver. CVE-2024-43863, published on August 20, 2024, resolves a deadlock issue in dma buf fence polling for the drm/vmwgfx driver. 2 sources 46