{"id":"CVE-2025-39675","summary":"drm/amd/display: Add null pointer check in mod_hdcp_hdcp1_create_session()","details":"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)","modified":"2026-03-20T12:43:00.146165Z","published":"2025-09-05T17:20:41.179Z","related":["MGASA-2025-0234","MGASA-2025-0235","SUSE-SU-2025:03600-1","SUSE-SU-2025:03634-1","SUSE-SU-2025:20851-1","SUSE-SU-2025:20861-1","SUSE-SU-2025:20870-1","SUSE-SU-2025:20898-1","SUSE-SU-2025:21074-1","SUSE-SU-2025:21139-1","SUSE-SU-2025:21179-1","SUSE-SU-2025:3751-1","SUSE-SU-2025:4057-1","SUSE-SU-2025:4132-1","SUSE-SU-2025:4141-1","openSUSE-SU-2025:20081-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39675.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2af45aadb7b5d3852c76e2d1e985289ada6f48bf"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2ee86b764c54e0d6a5464fb023b630fdf20869cd"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7a2ca2ea64b1b63c8baa94a8f5deb70b2248d119"},{"type":"WEB","url":"https://git.kernel.org/stable/c/857b8387a9777e42b36e0400be99b54c251eaf9a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/97fc94c5fd3c6ac5a13e457d38ee247737b8c4bd"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ee0373b20bb67b1f00a1b25ccd24c8ac996b6446"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39675.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-39675"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"2deade5ede56581722c0d7672f28b09548dc0fc4"},{"fixed":"2af45aadb7b5d3852c76e2d1e985289ada6f48bf"},{"fixed":"ee0373b20bb67b1f00a1b25ccd24c8ac996b6446"},{"fixed":"857b8387a9777e42b36e0400be99b54c251eaf9a"},{"fixed":"97fc94c5fd3c6ac5a13e457d38ee247737b8c4bd"},{"fixed":"2ee86b764c54e0d6a5464fb023b630fdf20869cd"},{"fixed":"7a2ca2ea64b1b63c8baa94a8f5deb70b2248d119"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-39675.json"}}],"schema_version":"1.7.5"}