{"id":"CVE-2026-98111","state":"PUBLISHED","title":"Bluetooth: btintel: validate version TLV value lengths","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btintel: validate version TLV value lengths\n\nbtintel_parse_version_tlv() verifies that a complete TLV is present in\nthe response, but it does not ensure that the value is long enough for\nthe specific TLV type. A short value can therefore cause an\nout-of-bounds read through get_unaligned_le16(), get_unaligned_le32(),\nor memcpy().\n\nReject values shorter than the minimum required by each known TLV type.\nAlso reject responses that do not contain the Command Complete Status\nfield.","publishedAt":"2026-09-25T10:35:58.728Z","updatedAt":"2026-10-19T09:14:03.665Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"57375beef71af9f245e88357fa71d9600650cb7d","status":"affected","lessThan":"e9cf7f175c00d36b060828f4eac8d2e246ee079b","versionType":"git"},{"version":"57375beef71af9f245e88357fa71d9600650cb7d","status":"affected","lessThan":"83499ac3ca62e43ed40f7574b13ed398a6891511","versionType":"git"},{"version":"57375beef71af9f245e88357fa71d9600650cb7d","status":"affected","lessThan":"76948d207d0978a613ce06a05cba07284a5578a7","versionType":"git"},{"version":"57375beef71af9f245e88357fa71d9600650cb7d","status":"affected","lessThan":"5ec43df2830b73e004147303bf7914ca884d6770","versionType":"git"},{"version":"57375beef71af9f245e88357fa71d9600650cb7d","status":"affected","lessThan":"a086c0892969bf8a0151b0f12bd14a68827c88b2","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bluetooth/btintel.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.10","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.111","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.7","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bluetooth/btintel.c"]}],"references":["https://git.kernel.org/stable/c/e9cf7f175c00d36b060828f4eac8d2e246ee079b","https://git.kernel.org/stable/c/83499ac3ca62e43ed40f7574b13ed398a6891511","https://git.kernel.org/stable/c/76948d207d0978a613ce06a05cba07284a5578a7","https://git.kernel.org/stable/c/5ec43df2830b73e004147303bf7914ca884d6770","https://git.kernel.org/stable/c/a086c0892969bf8a0151b0f12bd14a68827c88b2"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98111.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98111","state":"PUBLISHED","datePublished":"2026-09-25T10:35:58.728Z","dateUpdated":"2026-10-19T09:14:03.665Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.316Z"},"containers":{"cna":{"title":"Bluetooth: btintel: validate version TLV value lengths","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btintel: validate version TLV value lengths\n\nbtintel_parse_version_tlv() verifies that a complete TLV is present in\nthe response, but it does not ensure that the value is long enough for\nthe specific TLV type. A short value can therefore cause an\nout-of-bounds read through get_unaligned_le16(), get_unaligned_le32(),\nor memcpy().\n\nReject values shorter than the minimum required by each known TLV type.\nAlso reject responses that do not contain the Command Complete Status\nfield."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"57375beef71af9f245e88357fa71d9600650cb7d","status":"affected","lessThan":"e9cf7f175c00d36b060828f4eac8d2e246ee079b","versionType":"git"},{"version":"57375beef71af9f245e88357fa71d9600650cb7d","status":"affected","lessThan":"83499ac3ca62e43ed40f7574b13ed398a6891511","versionType":"git"},{"version":"57375beef71af9f245e88357fa71d9600650cb7d","status":"affected","lessThan":"76948d207d0978a613ce06a05cba07284a5578a7","versionType":"git"},{"version":"57375beef71af9f245e88357fa71d9600650cb7d","status":"affected","lessThan":"5ec43df2830b73e004147303bf7914ca884d6770","versionType":"git"},{"version":"57375beef71af9f245e88357fa71d9600650cb7d","status":"affected","lessThan":"a086c0892969bf8a0151b0f12bd14a68827c88b2","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bluetooth/btintel.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.10","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.111","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.7","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bluetooth/btintel.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/e9cf7f175c00d36b060828f4eac8d2e246ee079b"},{"url":"https://git.kernel.org/stable/c/83499ac3ca62e43ed40f7574b13ed398a6891511"},{"url":"https://git.kernel.org/stable/c/76948d207d0978a613ce06a05cba07284a5578a7"},{"url":"https://git.kernel.org/stable/c/5ec43df2830b73e004147303bf7914ca884d6770"},{"url":"https://git.kernel.org/stable/c/a086c0892969bf8a0151b0f12bd14a68827c88b2"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:14:03.665Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.12.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"7.2.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}