{"api_version":"1","generated_at":"2026-07-23T10:59:24+00:00","cve":"CVE-2025-39675","urls":{"html":"https://cve.report/CVE-2025-39675","api":"https://cve.report/api/cve/CVE-2025-39675.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2025-39675","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-39675"},"summary":{"title":"drm/amd/display: Add null pointer check in mod_hdcp_hdcp1_create_session()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Add null pointer check in mod_hdcp_hdcp1_create_session()\n\nThe function mod_hdcp_hdcp1_create_session() calls the function\nget_first_active_display(), but does not check its return value.\nThe return value is a null pointer if the display list is empty.\nThis will lead to a null pointer dereference.\n\nAdd a null pointer check for get_first_active_display() and return\nMOD_HDCP_STATUS_DISPLAY_NOT_FOUND if the function return null.\n\nThis is similar to the commit c3e9826a2202\n(\"drm/amd/display: Add null pointer check for get_first_active_display()\").\n\n(cherry picked from commit 5e43eb3cd731649c4f8b9134f857be62a416c893)","state":"PUBLISHED","assigner":"Linux","published_at":"2025-09-05 18:15:43","updated_at":"2026-05-12 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Add null pointer check in mod_hdcp_hdcp1_create","CVE":"CVE-2025-39675","Year":"2025"},"notes":[{"CveYear":"2025","CveId":"39675","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Add null pointer check in mod_hdcp_hdcp1_create_session()\n\nThe function mod_hdcp_hdcp1_create_session() calls the function\nget_first_active_display(), but does not check its return value.\nThe return value is a null pointer if the display list is empty.\nThis will lead to a null pointer dereference.\n\nAdd a null pointer check for get_first_active_display() and return\nMOD_HDCP_STATUS_DISPLAY_NOT_FOUND if the function return null.\n\nThis is similar to the commit c3e9826a2202\n(\"drm/amd/display: Add null pointer check for get_first_active_display()\").\n\n(cherry picked from commit 5e43eb3cd731649c4f8b9134f857be62a416c893)","Type":"Description","Title":"drm/amd/display: Add null pointer check in mod_hdcp_hdcp1_create"}]}}}