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CVE-2026-46216 is a NULL pointer dereference in the Linux kernel's drm/xe HDCP code path, specifically in intel_hdcp_gsc_check_status(). When media GT is disabled via configfs, the media_gt structure is not allocated and remains NULL. In the vulnerable implementation, intel_hdcp_gsc_check_status() dereferences media_gt via gt->uc.gsc without first validating that media_gt is non-NULL, which can trigger a kernel page fault. The upstream fix adds an explicit NULL check for media_gt and exits early when it is absent.
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2 sources tracked across advisories and community write-ups. News coverage will land here when it surfaces.
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Cross-references every affected SKU, including bundled OEM variants.
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