{"id":"CVE-2026-98819","summary":"Bluetooth: btintel: validate DDC record lengths","details":"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.","modified":"2026-10-19T02:47:28.668290691Z","published":"2026-10-18T15:49:11.226Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98819.json","cna_assigner":"Linux"},"references":[{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"},{"type":"WEB","url":"https://git.kernel.org/stable/c/069031f569f1681f17e863f48c221a6091b47850"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b0fce76873a5e6a6820354409b26693ac5f8b251"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c9c15d4d8956df8c564f7c210e4dc5b9b820d97a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f3617369fbb30a4d2e54841ab8e92ca4fa211e56"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98819.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98819"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"145f2368c5fd7962e37315ccc092670743019d08"},{"fixed":"069031f569f1681f17e863f48c221a6091b47850"},{"fixed":"b0fce76873a5e6a6820354409b26693ac5f8b251"},{"fixed":"f3617369fbb30a4d2e54841ab8e92ca4fa211e56"},{"fixed":"c9c15d4d8956df8c564f7c210e4dc5b9b820d97a"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98819.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.4.0"},{"fixed":"6.12.113"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.56"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.10"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98819.json"}}],"schema_version":"1.9.0"}