{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2025-38240", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:23.996Z", "datePublished": "2025-04-18T07:01:32.338Z", "dateUpdated": "2026-05-11T21:23:56.828Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:23:56.828Z" }, "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." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/gpu/drm/mediatek/mtk_dp.c" ], "versions": [ { "version": "7eacba9a083be65c0f251c19380ec01147c01ebc", "lessThan": "13ec849fd2eab808ee8eba2625df7ebea3b85edf", "status": "affected", "versionType": "git" }, { "version": "7eacba9a083be65c0f251c19380ec01147c01ebc", "lessThan": "57a9fb47551b33cde7b76d17c0072c3b394f4620", "status": "affected", "versionType": "git" }, { "version": "7eacba9a083be65c0f251c19380ec01147c01ebc", "lessThan": "2fda391ef7a701748abd7fa32232981b522c1e07", "status": "affected", "versionType": "git" }, { "version": "7eacba9a083be65c0f251c19380ec01147c01ebc", "lessThan": "149a5c38436c229950cf1020992ce65c9549bc19", "status": "affected", "versionType": "git" }, { "version": "7eacba9a083be65c0f251c19380ec01147c01ebc", "lessThan": "106a6de46cf4887d535018185ec528ce822d6d84", "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/mediatek/mtk_dp.c" ], "versions": [ { "version": "6.6", "status": "affected" }, { "version": "0", "lessThan": "6.6", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.87", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.23", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.13.11", "lessThanOrEqual": "6.13.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.14.2", "lessThanOrEqual": "6.14.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.15", "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": "6.6", "versionEndExcluding": "6.6.87" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.12.23" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.13.11" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.14.2" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.15" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/13ec849fd2eab808ee8eba2625df7ebea3b85edf" }, { "url": "https://git.kernel.org/stable/c/57a9fb47551b33cde7b76d17c0072c3b394f4620" }, { "url": "https://git.kernel.org/stable/c/2fda391ef7a701748abd7fa32232981b522c1e07" }, { "url": "https://git.kernel.org/stable/c/149a5c38436c229950cf1020992ce65c9549bc19" }, { "url": "https://git.kernel.org/stable/c/106a6de46cf4887d535018185ec528ce822d6d84" } ], "title": "drm/mediatek: dp: drm_err => dev_err in HPD path to avoid NULL ptr", "x_generator": { "engine": "bippy-1.2.0" } } } }