{"api_version":"1","generated_at":"2026-09-24T23:02:51+00:00","cve":"CVE-2026-93234","urls":{"html":"https://cve.report/CVE-2026-93234","api":"https://cve.report/api/cve/CVE-2026-93234.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-93234","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-93234"},"summary":{"title":"drm/gud: validate TV mode names before creating enum property","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/gud: validate TV mode names before creating enum property\n\nThe GUD protocol returns TV mode names as fixed-size\nGUD_CONNECTOR_TV_MODE_NAME_LEN entries and requires each name to be\nNUL-terminated.\n\ngud_connector_add_tv_mode() currently passes each fixed-size entry\ndirectly to drm_mode_create_tv_properties_legacy(), which eventually\nreaches drm_property_add_enum() and strlen(). If a device returns an\nentry without a terminating NUL byte, strlen() reads past the end of\nthe slot and can run beyond the allocated buffer, triggering an\nout-of-bounds read.\n\nValidate that each returned TV mode name contains a NUL terminator\nwithin its fixed-size slot before passing it to the DRM property code.\nIf a malformed entry is found, reject the device response with -EIO.\n\nThis fixes the out-of-bounds read without changing the handling of\nvalid devices, and avoids silently truncating malformed protocol data.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-24 16:17:19","updated_at":"2026-09-24 16:17:19"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/eab46d9629807db1b5647d17227e16110a18227f","name":"https://git.kernel.org/stable/c/eab46d9629807db1b5647d17227e16110a18227f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/06fcaf21c18ac88f57fee3803554f48c6026b95f","name":"https://git.kernel.org/stable/c/06fcaf21c18ac88f57fee3803554f48c6026b95f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/da1ea35fea67ad841f4ada28dd61b41be65e5437","name":"https://git.kernel.org/stable/c/da1ea35fea67ad841f4ada28dd61b41be65e5437","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/70cffc31a380b3eae45027101647aa94c242aa0e","name":"https://git.kernel.org/stable/c/70cffc31a380b3eae45027101647aa94c242aa0e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/082e378886547b5b1c4075ed307f7c68547868dc","name":"https://git.kernel.org/stable/c/082e378886547b5b1c4075ed307f7c68547868dc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/72a95df6bbc7d20c7af1e39d86b3e910cccd01ad","name":"https://git.kernel.org/stable/c/72a95df6bbc7d20c7af1e39d86b3e910cccd01ad","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/676f1fb3632bbc9ce83be7938e93fe6bfc9510fd","name":"https://git.kernel.org/stable/c/676f1fb3632bbc9ce83be7938e93fe6bfc9510fd","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-93234","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93234","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 40e1a70b4aedf2859a1829991b48ef0ebe650bf2 676f1fb3632bbc9ce83be7938e93fe6bfc9510fd git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 40e1a70b4aedf2859a1829991b48ef0ebe650bf2 06fcaf21c18ac88f57fee3803554f48c6026b95f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 40e1a70b4aedf2859a1829991b48ef0ebe650bf2 082e378886547b5b1c4075ed307f7c68547868dc git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 40e1a70b4aedf2859a1829991b48ef0ebe650bf2 70cffc31a380b3eae45027101647aa94c242aa0e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 40e1a70b4aedf2859a1829991b48ef0ebe650bf2 72a95df6bbc7d20c7af1e39d86b3e910cccd01ad git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 40e1a70b4aedf2859a1829991b48ef0ebe650bf2 eab46d9629807db1b5647d17227e16110a18227f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 40e1a70b4aedf2859a1829991b48ef0ebe650bf2 da1ea35fea67ad841f4ada28dd61b41be65e5437 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.13","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.13 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.221 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.188 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.157 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.110 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.51 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.5 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/gpu/drm/gud/gud_connector.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"676f1fb3632bbc9ce83be7938e93fe6bfc9510fd","status":"affected","version":"40e1a70b4aedf2859a1829991b48ef0ebe650bf2","versionType":"git"},{"lessThan":"06fcaf21c18ac88f57fee3803554f48c6026b95f","status":"affected","version":"40e1a70b4aedf2859a1829991b48ef0ebe650bf2","versionType":"git"},{"lessThan":"082e378886547b5b1c4075ed307f7c68547868dc","status":"affected","version":"40e1a70b4aedf2859a1829991b48ef0ebe650bf2","versionType":"git"},{"lessThan":"70cffc31a380b3eae45027101647aa94c242aa0e","status":"affected","version":"40e1a70b4aedf2859a1829991b48ef0ebe650bf2","versionType":"git"},{"lessThan":"72a95df6bbc7d20c7af1e39d86b3e910cccd01ad","status":"affected","version":"40e1a70b4aedf2859a1829991b48ef0ebe650bf2","versionType":"git"},{"lessThan":"eab46d9629807db1b5647d17227e16110a18227f","status":"affected","version":"40e1a70b4aedf2859a1829991b48ef0ebe650bf2","versionType":"git"},{"lessThan":"da1ea35fea67ad841f4ada28dd61b41be65e5437","status":"affected","version":"40e1a70b4aedf2859a1829991b48ef0ebe650bf2","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/gpu/drm/gud/gud_connector.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.13"},{"lessThan":"5.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.221","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.188","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.157","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.110","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.51","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.221","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.188","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.157","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.110","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.51","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.5","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc2","versionStartIncluding":"5.13","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/gud: validate TV mode names before creating enum property\n\nThe GUD protocol returns TV mode names as fixed-size\nGUD_CONNECTOR_TV_MODE_NAME_LEN entries and requires each name to be\nNUL-terminated.\n\ngud_connector_add_tv_mode() currently passes each fixed-size entry\ndirectly to drm_mode_create_tv_properties_legacy(), which eventually\nreaches drm_property_add_enum() and strlen(). If a device returns an\nentry without a terminating NUL byte, strlen() reads past the end of\nthe slot and can run beyond the allocated buffer, triggering an\nout-of-bounds read.\n\nValidate that each returned TV mode name contains a NUL terminator\nwithin its fixed-size slot before passing it to the DRM property code.\nIf a malformed entry is found, reject the device response with -EIO.\n\nThis fixes the out-of-bounds read without changing the handling of\nvalid devices, and avoids silently truncating malformed protocol data."}],"providerMetadata":{"dateUpdated":"2026-09-24T15:33:31.617Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/676f1fb3632bbc9ce83be7938e93fe6bfc9510fd"},{"url":"https://git.kernel.org/stable/c/06fcaf21c18ac88f57fee3803554f48c6026b95f"},{"url":"https://git.kernel.org/stable/c/082e378886547b5b1c4075ed307f7c68547868dc"},{"url":"https://git.kernel.org/stable/c/70cffc31a380b3eae45027101647aa94c242aa0e"},{"url":"https://git.kernel.org/stable/c/72a95df6bbc7d20c7af1e39d86b3e910cccd01ad"},{"url":"https://git.kernel.org/stable/c/eab46d9629807db1b5647d17227e16110a18227f"},{"url":"https://git.kernel.org/stable/c/da1ea35fea67ad841f4ada28dd61b41be65e5437"}],"title":"drm/gud: validate TV mode names before creating enum property","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-93234","datePublished":"2026-09-24T15:33:31.617Z","dateReserved":"2026-09-17T16:02:15.095Z","dateUpdated":"2026-09-24T15:33:31.617Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-24 16:17:19","lastModifiedDate":"2026-09-24 16:17:19","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"93234","Ordinal":"1","Title":"drm/gud: validate TV mode names before creating enum property","CVE":"CVE-2026-93234","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"93234","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/gud: validate TV mode names before creating enum property\n\nThe GUD protocol returns TV mode names as fixed-size\nGUD_CONNECTOR_TV_MODE_NAME_LEN entries and requires each name to be\nNUL-terminated.\n\ngud_connector_add_tv_mode() currently passes each fixed-size entry\ndirectly to drm_mode_create_tv_properties_legacy(), which eventually\nreaches drm_property_add_enum() and strlen(). If a device returns an\nentry without a terminating NUL byte, strlen() reads past the end of\nthe slot and can run beyond the allocated buffer, triggering an\nout-of-bounds read.\n\nValidate that each returned TV mode name contains a NUL terminator\nwithin its fixed-size slot before passing it to the DRM property code.\nIf a malformed entry is found, reject the device response with -EIO.\n\nThis fixes the out-of-bounds read without changing the handling of\nvalid devices, and avoids silently truncating malformed protocol data.","Type":"Description","Title":"drm/gud: validate TV mode names before creating enum property"}]}}}