CVE-2025-38240

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{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/gpu/drm/mediatek/mtk_dp.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "13ec849fd2eab808ee8eba2625df7ebea3b85edf", "status": "affected", "version": "7eacba9a083be65c0f251c19380ec01147c01ebc", "versionType": "git"}, {"lessThan": "57a9fb47551b33cde7b76d17c0072c3b394f4620", "status": "affected", "version": "7eacba9a083be65c0f251c19380ec01147c01ebc", "versionType": "git"}, {"lessThan": "2fda391ef7a701748abd7fa32232981b522c1e07", "status": "affected", "version": "7eacba9a083be65c0f251c19380ec01147c01ebc", "versionType": "git"}, {"lessThan": "149a5c38436c229950cf1020992ce65c9549bc19", "status": "affected", "version": "7eacba9a083be65c0f251c19380ec01147c01ebc", "versionType": "git"}, {"lessThan": "106a6de46cf4887d535018185ec528ce822d6d84", "status": "affected", "version": "7eacba9a083be65c0f251c19380ec01147c01ebc", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/gpu/drm/mediatek/mtk_dp.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.6"}, {"lessThan": "6.6", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.87", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.23", "versionType": "semver"}, {"lessThanOrEqual": "6.13.*", "status": "unaffected", "version": "6.13.11", "versionType": "semver"}, {"lessThanOrEqual": "6.14.*", "status": "unaffected", "version": "6.14.2", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.15", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "DF08B6FA-567C-416D-8919-C3B544FF0DFC", "versionEndExcluding": "6.6.87", "versionStartIncluding": "6.6", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "26CAB76D-F00F-43CE-BEAD-7097F8FB1D6C", "versionEndExcluding": "6.12.23", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E7E864B0-8C00-4679-BA55-659B4C9C3AD3", "versionEndExcluding": "6.13.11", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "FADAE5D8-4808-442C-B218-77B2CE8780A0", "versionEndExcluding": "6.14.2", "versionStartIncluding": "6.14", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/mediatek: dp: drm_err => dev_err in HPD path to avoid NULL ptr\n\nThe function mtk_dp_wait_hpd_asserted() may be called before the\n`mtk_dp->drm_dev` pointer is assigned in mtk_dp_bridge_attach().\nSpecifically it can be called via this callpath:\n - mtk_edp_wait_hpd_asserted\n - [panel probe]\n - dp_aux_ep_probe\n\nUsing \"drm\" level prints anywhere in this callpath causes a NULL\npointer dereference. Change the error message directly in\nmtk_dp_wait_hpd_asserted() to dev_err() to avoid this. Also change the\nerror messages in mtk_dp_parse_capabilities(), which is called by\nmtk_dp_wait_hpd_asserted().\n\nWhile touching these prints, also add the error code to them to make\nfuture debugging easier."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/mediatek: dp: drm_err => dev_err en la ruta HPD para evitar un puntero nulo. La funci\u00f3n mtk_dp_wait_hpd_asserted() puede llamarse antes de asignar el puntero `mtk_dp->drm_dev` en mtk_dp_bridge_attach(). Espec\u00edficamente, se puede llamar a trav\u00e9s de esta ruta de llamada: - mtk_edp_wait_hpd_asserted - [panel probe] - dp_aux_ep_probe El uso de impresiones de nivel \"drm\" en cualquier parte de esta ruta de llamada provoca una desreferencia del puntero nulo. Cambie el mensaje de error directamente en mtk_dp_wait_hpd_asserted() a dev_err() para evitar esto. Cambie tambi\u00e9n los mensajes de error en mtk_dp_parse_capabilities(), que es llamado por mtk_dp_wait_hpd_asserted(). Al tocar estas impresiones, agregue tambi\u00e9n el c\u00f3digo de error para facilitar la depuraci\u00f3n futura."}], "id": "CVE-2025-38240", "lastModified": "2026-06-17T09:16:27.637", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-04-18T07:15:43.510", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/106a6de46cf4887d535018185ec528ce822d6d84"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/13ec849fd2eab808ee8eba2625df7ebea3b85edf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/149a5c38436c229950cf1020992ce65c9549bc19"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2fda391ef7a701748abd7fa32232981b522c1e07"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/57a9fb47551b33cde7b76d17c0072c3b394f4620"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: drm/mediatek: dp: drm_err => dev_err in HPD path to avoid NULL ptr", "id": "2360923", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2360923"}, "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/mediatek: dp: drm_err => dev_err in HPD path to avoid NULL ptr\nThe function mtk_dp_wait_hpd_asserted() may be called before the\n`mtk_dp->drm_dev` pointer is assigned in mtk_dp_bridge_attach().\nSpecifically it can be called via this callpath:\n- mtk_edp_wait_hpd_asserted\n- [panel probe]\n- dp_aux_ep_probe\nUsing \"drm\" level prints anywhere in this callpath causes a NULL\npointer dereference. Change the error message directly in\nmtk_dp_wait_hpd_asserted() to dev_err() to avoid this. Also change the\nerror messages in mtk_dp_parse_capabilities(), which is called by\nmtk_dp_wait_hpd_asserted().\nWhile touching these prints, also add the error code to them to make\nfuture debugging easier."], "name": "CVE-2025-38240", "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": "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": "2025-04-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38240\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38240\nhttps://lore.kernel.org/linux-cve-announce/2025041818-CVE-2025-38240-4787@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-06-24T09:44:22.486375+00:00", "updated": "2025-06-24T09:44:22.486441+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}