{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-53784", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-08T23:58:35.272Z", "datePublished": "2025-12-09T00:00:39.591Z", "dateUpdated": "2025-12-09T00:00:39.591Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-09T00:00:39.591Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm: bridge: dw_hdmi: fix connector access for scdc\n\nCommit 5d844091f237 (\"drm/scdc-helper: Pimp SCDC debugs\") changed the scdc\ninterface to pick up an i2c adapter from a connector instead. However, in\nthe case of dw-hdmi, the wrong connector was being used to pass i2c adapter\ninformation, since dw-hdmi's embedded connector structure is only populated\nwhen the bridge attachment callback explicitly asks for it.\n\ndrm-meson is handling connector creation, so this won't happen, leading to\na NULL pointer dereference.\n\nFix it by having scdc functions access dw-hdmi's current connector pointer\ninstead, which is assigned during the bridge enablement stage.\n\n[narmstrong: moved Fixes tag before first S-o-b and added Reported-by tag]"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/bridge/synopsys/dw-hdmi.c"], "versions": [{"version": "5d844091f2370f01752c3129b147861b9dcd3d98", "lessThan": "552f79aa9e801ed4f74d6b3221af78042ba4f235", "status": "affected", "versionType": "git"}, {"version": "5d844091f2370f01752c3129b147861b9dcd3d98", "lessThan": "98703e4e061fb8715c7613cd227e32cdfd136b23", "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/bridge/synopsys/dw-hdmi.c"], "versions": [{"version": "6.4", "status": "affected"}, {"version": "0", "lessThan": "6.4", "status": "unaffected", "versionType": "semver"}, {"version": "6.4.5", "lessThanOrEqual": "6.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.5", "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": "6.4", "versionEndExcluding": "6.4.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.5"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/552f79aa9e801ed4f74d6b3221af78042ba4f235"}, {"url": "https://git.kernel.org/stable/c/98703e4e061fb8715c7613cd227e32cdfd136b23"}], "title": "drm: bridge: dw_hdmi: fix connector access for scdc", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm: bridge: dw_hdmi: fix connector access for scdc\n\nCommit 5d844091f237 (\"drm/scdc-helper: Pimp SCDC debugs\") changed the scdc\ninterface to pick up an i2c adapter from a connector instead. However, in\nthe case of dw-hdmi, the wrong connector was being used to pass i2c adapter\ninformation, since dw-hdmi's embedded connector structure is only populated\nwhen the bridge attachment callback explicitly asks for it.\n\ndrm-meson is handling connector creation, so this won't happen, leading to\na NULL pointer dereference.\n\nFix it by having scdc functions access dw-hdmi's current connector pointer\ninstead, which is assigned during the bridge enablement stage.\n\n[narmstrong: moved Fixes tag before first S-o-b and added Reported-by tag]"}], "id": "CVE-2023-53784", "lastModified": "2025-12-09T18:37:13.640", "metrics": {}, "published": "2025-12-09T01:16:49.687", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/552f79aa9e801ed4f74d6b3221af78042ba4f235"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/98703e4e061fb8715c7613cd227e32cdfd136b23"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: drm: bridge: dw_hdmi: fix connector access for scdc", "id": "2420246", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2420246"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm: bridge: dw_hdmi: fix connector access for scdc\nCommit 5d844091f237 (\"drm/scdc-helper: Pimp SCDC debugs\") changed the scdc\ninterface to pick up an i2c adapter from a connector instead. However, in\nthe case of dw-hdmi, the wrong connector was being used to pass i2c adapter\ninformation, since dw-hdmi's embedded connector structure is only populated\nwhen the bridge attachment callback explicitly asks for it.\ndrm-meson is handling connector creation, so this won't happen, leading to\na NULL pointer dereference.\nFix it by having scdc functions access dw-hdmi's current connector pointer\ninstead, which is assigned during the bridge enablement stage.\n[narmstrong: moved Fixes tag before first S-o-b and added Reported-by tag]"], "name": "CVE-2023-53784", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-12-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-53784\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53784\nhttps://lore.kernel.org/linux-cve-announce/2025120939-CVE-2023-53784-a381@gregkh/T"], "threat_severity": "Low"}