{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2024-56683", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-12-27T15:00:39.846Z", "datePublished": "2024-12-28T09:46:11.183Z", "dateUpdated": "2025-11-03T20:52:29.934Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T13:01:13.648Z"}, "descriptions": [{"lang": "en", "value": "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/vc4/vc4_hdmi.c"], "versions": [{"version": "25eb441d55d479581a65bcc9de88bc1d86bf76c1", "lessThan": "0ea29bd7d9400d3629683244d609358ed1b12075", "status": "affected", "versionType": "git"}, {"version": "25eb441d55d479581a65bcc9de88bc1d86bf76c1", "lessThan": "c7d474974954d9af7e0092021223d58f2de128df", "status": "affected", "versionType": "git"}, {"version": "25eb441d55d479581a65bcc9de88bc1d86bf76c1", "lessThan": "16f351adf733a182224ad24916d7673aa6df02df", "status": "affected", "versionType": "git"}, {"version": "25eb441d55d479581a65bcc9de88bc1d86bf76c1", "lessThan": "74f21be9990a42dc2357bcf87a13e16c6998b90e", "status": "affected", "versionType": "git"}, {"version": "25eb441d55d479581a65bcc9de88bc1d86bf76c1", "lessThan": "223ee2567a55e4f80315c768d2969e6a3b9fb23d", "status": "affected", "versionType": "git"}, {"version": "1da00a63f0e798f0fd0dcf623b16c16e13f93615", "status": "affected", "versionType": "git"}, {"version": "f70c25cf34f91cc6f40e79a5b7565fd0272d7396", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/vc4/vc4_hdmi.c"], "versions": [{"version": "6.0", "status": "affected"}, {"version": "0", "lessThan": "6.0", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.120", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.64", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.11.11", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.2", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.1.120"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.6.64"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.11.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.12.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18.18"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.19.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/0ea29bd7d9400d3629683244d609358ed1b12075"}, {"url": "https://git.kernel.org/stable/c/c7d474974954d9af7e0092021223d58f2de128df"}, {"url": "https://git.kernel.org/stable/c/16f351adf733a182224ad24916d7673aa6df02df"}, {"url": "https://git.kernel.org/stable/c/74f21be9990a42dc2357bcf87a13e16c6998b90e"}, {"url": "https://git.kernel.org/stable/c/223ee2567a55e4f80315c768d2969e6a3b9fb23d"}], "title": "drm/vc4: hdmi: Avoid hang with debug registers when suspended", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T20:52:29.934Z"}}]}}

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{"bugzilla": {"description": "kernel: drm/vc4: hdmi: Avoid hang with debug registers when suspended", "id": "2334686", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2334686"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/vc4: hdmi: Avoid hang with debug registers when suspended\nTrying to read /sys/kernel/debug/dri/1/hdmi1_regs\nwhen the hdmi is disconnected results in a fatal system hang.\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.\nProtect against this."], "name": "CVE-2024-56683", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-12-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-56683\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-56683\nhttps://lore.kernel.org/linux-cve-announce/2024122833-CVE-2024-56683-14c3@gregkh/T"], "threat_severity": "Moderate"}