{"id":"CVE-2024-56683","summary":"drm/vc4: hdmi: Avoid hang with debug registers when suspended","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vc4: hdmi: Avoid hang with debug registers when suspended\n\nTrying to read /sys/kernel/debug/dri/1/hdmi1_regs\nwhen the hdmi is disconnected results in a fatal system hang.\n\nThis is due to the pm suspend code disabling the dvp clock.\nThat is just a gate of the 108MHz clock in DVP_HT_RPI_MISC_CONFIG,\nwhich results in accesses hanging AXI bus.\n\nProtect against this.","modified":"2026-04-02T12:25:06.633254Z","published":"2024-12-28T09:46:11.183Z","related":["SUSE-SU-2025:0289-1","SUSE-SU-2025:0428-1","SUSE-SU-2025:0499-1","SUSE-SU-2025:0557-1","SUSE-SU-2025:20165-1","SUSE-SU-2025:20166-1","SUSE-SU-2025:20248-1","SUSE-SU-2025:20249-1","USN-7276-1","USN-7277-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/56xxx/CVE-2024-56683.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0ea29bd7d9400d3629683244d609358ed1b12075"},{"type":"WEB","url":"https://git.kernel.org/stable/c/16f351adf733a182224ad24916d7673aa6df02df"},{"type":"WEB","url":"https://git.kernel.org/stable/c/223ee2567a55e4f80315c768d2969e6a3b9fb23d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/74f21be9990a42dc2357bcf87a13e16c6998b90e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c7d474974954d9af7e0092021223d58f2de128df"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/56xxx/CVE-2024-56683.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-56683"},{"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":"25eb441d55d479581a65bcc9de88bc1d86bf76c1"},{"fixed":"0ea29bd7d9400d3629683244d609358ed1b12075"},{"fixed":"c7d474974954d9af7e0092021223d58f2de128df"},{"fixed":"16f351adf733a182224ad24916d7673aa6df02df"},{"fixed":"74f21be9990a42dc2357bcf87a13e16c6998b90e"},{"fixed":"223ee2567a55e4f80315c768d2969e6a3b9fb23d"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"1da00a63f0e798f0fd0dcf623b16c16e13f93615"},{"last_affected":"f70c25cf34f91cc6f40e79a5b7565fd0272d7396"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-56683.json"}}],"schema_version":"1.7.5"}