{"api_version":"1","generated_at":"2026-10-21T23:06:36+00:00","cve":"CVE-2026-98819","urls":{"html":"https://cve.report/CVE-2026-98819","api":"https://cve.report/api/cve/CVE-2026-98819.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98819","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98819"},"summary":{"title":"Bluetooth: btintel: validate DDC record lengths","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btintel: validate DDC record lengths\n\nParse DDC record lengths in unsigned storage so 0xFF does not wrap.\nReject records smaller than the mandatory three-byte header, records\nexceeding U8_MAX, and records exceeding remaining firmware bytes before\nissuing Intel_Write_DDC.\n\nThis issue was reported by Claude Mythos.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-10-18 16:17:36","updated_at":"2026-10-21 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Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98819","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 145f2368c5fd7962e37315ccc092670743019d08 7df748aa9f9ecab514e5989ed89c9ba35b6e5574 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 145f2368c5fd7962e37315ccc092670743019d08 069031f569f1681f17e863f48c221a6091b47850 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 145f2368c5fd7962e37315ccc092670743019d08 b0fce76873a5e6a6820354409b26693ac5f8b251 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 145f2368c5fd7962e37315ccc092670743019d08 f3617369fbb30a4d2e54841ab8e92ca4fa211e56 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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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/bluetooth/btintel.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"7df748aa9f9ecab514e5989ed89c9ba35b6e5574","status":"affected","version":"145f2368c5fd7962e37315ccc092670743019d08","versionType":"git"},{"lessThan":"069031f569f1681f17e863f48c221a6091b47850","status":"affected","version":"145f2368c5fd7962e37315ccc092670743019d08","versionType":"git"},{"lessThan":"b0fce76873a5e6a6820354409b26693ac5f8b251","status":"affected","version":"145f2368c5fd7962e37315ccc092670743019d08","versionType":"git"},{"lessThan":"f3617369fbb30a4d2e54841ab8e92ca4fa211e56","status":"affected","version":"145f2368c5fd7962e37315ccc092670743019d08","versionType":"git"},{"lessThan":"c9c15d4d8956df8c564f7c210e4dc5b9b820d97a","status":"affected","version":"145f2368c5fd7962e37315ccc092670743019d08","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/bluetooth/btintel.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.4"},{"lessThan":"4.4","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.160","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.113","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.56","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.160","versionStartIncluding":"4.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.113","versionStartIncluding":"4.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.56","versionStartIncluding":"4.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.10","versionStartIncluding":"4.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3","versionStartIncluding":"4.4","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btintel: validate DDC record lengths\n\nParse DDC record lengths in unsigned storage so 0xFF does not wrap.\nReject records smaller than the mandatory three-byte header, records\nexceeding U8_MAX, and records exceeding remaining firmware bytes before\nissuing Intel_Write_DDC.\n\nThis issue was reported by Claude Mythos."}],"providerMetadata":{"dateUpdated":"2026-10-21T12:57:12.654Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/7df748aa9f9ecab514e5989ed89c9ba35b6e5574"},{"url":"https://git.kernel.org/stable/c/069031f569f1681f17e863f48c221a6091b47850"},{"url":"https://git.kernel.org/stable/c/b0fce76873a5e6a6820354409b26693ac5f8b251"},{"url":"https://git.kernel.org/stable/c/f3617369fbb30a4d2e54841ab8e92ca4fa211e56"},{"url":"https://git.kernel.org/stable/c/c9c15d4d8956df8c564f7c210e4dc5b9b820d97a"}],"title":"Bluetooth: btintel: validate DDC record lengths","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98819","datePublished":"2026-10-18T15:49:11.226Z","dateReserved":"2026-09-25T10:25:14.371Z","dateUpdated":"2026-10-21T12:57:12.654Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-18 16:17:36","lastModifiedDate":"2026-10-21 13:21:47","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98819","Ordinal":"1","Title":"Bluetooth: btintel: validate DDC record lengths","CVE":"CVE-2026-98819","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98819","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btintel: validate DDC record lengths\n\nParse DDC record lengths in unsigned storage so 0xFF does not wrap.\nReject records smaller than the mandatory three-byte header, records\nexceeding U8_MAX, and records exceeding remaining firmware bytes before\nissuing Intel_Write_DDC.\n\nThis issue was reported by Claude Mythos.","Type":"Description","Title":"Bluetooth: btintel: validate DDC record lengths"}]}}}