drm/amdgpu: check if hubbub is NULL in debugfs/amdgpu_dm_capabilities

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CVE-2025-39707

Technical details for CVE-2025-39707 (affected component, root cause, impact, or fix) are not publicly provided in the connected documents. Monitor for updates from vendor advisories and security feeds.

CVE-2025-39707 drm/amdgpu: check if hubbub is NULL in debugfs/amdgpu_dm_capabilities

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: check if hubbub is NULL in debugfs/amdgpudmcapabilities HUBBUB structure is not initialized on DCE hardware, so check if it is NULL to avoid null dereference while accessing amdgpudmcapabilities file in debugfs...

CVE-2025-39707

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: check if hubbub is NULL in debugfs/amdgpudmcapabilities HUBBUB structure is not initialized on DCE hardware, so check if it is NULL to avoid null dereference while accessing amdgpudmcapabilities file in debugfs...