{"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"}}}}