{"api_version":"1","generated_at":"2026-09-05T04:40:44+00:00","cve":"CVE-2026-80759","urls":{"html":"https://cve.report/CVE-2026-80759","api":"https://cve.report/api/cve/CVE-2026-80759.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-80759","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-80759"},"summary":{"title":"Bluetooth: hci_aml: validate firmware segment lengths","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_aml: validate firmware segment lengths\n\naml_download_firmware() reads two lengths from the firmware header and\nuses them to build pointers before checking that the header and segment\ndata are present. A truncated or inconsistent firmware image can make\nthe driver read past firmware->data while constructing TCI commands.\n\nReject images shorter than the header and ensure that the ICCM and DCCM\nranges fit within the loaded firmware before downloading either segment.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-04 16:18:00","updated_at":"2026-09-04 16:18:00"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/e1534d49a7b8ba728e84b020f6d802aa1cb759d9","name":"https://git.kernel.org/stable/c/e1534d49a7b8ba728e84b020f6d802aa1cb759d9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6c70253462902d835e843b470f74aa816d60af80","name":"https://git.kernel.org/stable/c/6c70253462902d835e843b470f74aa816d60af80","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2763b8bcb504e30ec955474f51b99ce42fc62f3b","name":"https://git.kernel.org/stable/c/2763b8bcb504e30ec955474f51b99ce42fc62f3b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2bf6b9baca9372ea51b6d0f2820dc9bf29a83ef4","name":"https://git.kernel.org/stable/c/2bf6b9baca9372ea51b6d0f2820dc9bf29a83ef4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7733b01ed13685773ccda91035a46f87d4cfef7c","name":"https://git.kernel.org/stable/c/7733b01ed13685773ccda91035a46f87d4cfef7c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80759","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80759","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 37bac77e4649e8158698a60addc22ec4faf5649a 7733b01ed13685773ccda91035a46f87d4cfef7c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 37bac77e4649e8158698a60addc22ec4faf5649a e1534d49a7b8ba728e84b020f6d802aa1cb759d9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 37bac77e4649e8158698a60addc22ec4faf5649a 6c70253462902d835e843b470f74aa816d60af80 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 37bac77e4649e8158698a60addc22ec4faf5649a 2763b8bcb504e30ec955474f51b99ce42fc62f3b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 37bac77e4649e8158698a60addc22ec4faf5649a 2bf6b9baca9372ea51b6d0f2820dc9bf29a83ef4 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.12","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.106 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.47 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.11 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.1 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * 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/hci_aml.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"7733b01ed13685773ccda91035a46f87d4cfef7c","status":"affected","version":"37bac77e4649e8158698a60addc22ec4faf5649a","versionType":"git"},{"lessThan":"e1534d49a7b8ba728e84b020f6d802aa1cb759d9","status":"affected","version":"37bac77e4649e8158698a60addc22ec4faf5649a","versionType":"git"},{"lessThan":"6c70253462902d835e843b470f74aa816d60af80","status":"affected","version":"37bac77e4649e8158698a60addc22ec4faf5649a","versionType":"git"},{"lessThan":"2763b8bcb504e30ec955474f51b99ce42fc62f3b","status":"affected","version":"37bac77e4649e8158698a60addc22ec4faf5649a","versionType":"git"},{"lessThan":"2bf6b9baca9372ea51b6d0f2820dc9bf29a83ef4","status":"affected","version":"37bac77e4649e8158698a60addc22ec4faf5649a","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/bluetooth/hci_aml.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.12"},{"lessThan":"6.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.106","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.47","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.11","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.1","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.106","versionStartIncluding":"6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.47","versionStartIncluding":"6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.11","versionStartIncluding":"6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.1","versionStartIncluding":"6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"6.12","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_aml: validate firmware segment lengths\n\naml_download_firmware() reads two lengths from the firmware header and\nuses them to build pointers before checking that the header and segment\ndata are present. A truncated or inconsistent firmware image can make\nthe driver read past firmware->data while constructing TCI commands.\n\nReject images shorter than the header and ensure that the ICCM and DCCM\nranges fit within the loaded firmware before downloading either segment."}],"providerMetadata":{"dateUpdated":"2026-09-04T15:12:28.900Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/7733b01ed13685773ccda91035a46f87d4cfef7c"},{"url":"https://git.kernel.org/stable/c/e1534d49a7b8ba728e84b020f6d802aa1cb759d9"},{"url":"https://git.kernel.org/stable/c/6c70253462902d835e843b470f74aa816d60af80"},{"url":"https://git.kernel.org/stable/c/2763b8bcb504e30ec955474f51b99ce42fc62f3b"},{"url":"https://git.kernel.org/stable/c/2bf6b9baca9372ea51b6d0f2820dc9bf29a83ef4"}],"title":"Bluetooth: hci_aml: validate firmware segment lengths","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-80759","datePublished":"2026-09-04T15:12:28.900Z","dateReserved":"2026-08-26T14:34:25.791Z","dateUpdated":"2026-09-04T15:12:28.900Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-04 16:18:00","lastModifiedDate":"2026-09-04 16:18:00","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"80759","Ordinal":"1","Title":"Bluetooth: hci_aml: validate firmware segment lengths","CVE":"CVE-2026-80759","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"80759","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_aml: validate firmware segment lengths\n\naml_download_firmware() reads two lengths from the firmware header and\nuses them to build pointers before checking that the header and segment\ndata are present. A truncated or inconsistent firmware image can make\nthe driver read past firmware->data while constructing TCI commands.\n\nReject images shorter than the header and ensure that the ICCM and DCCM\nranges fit within the loaded firmware before downloading either segment.","Type":"Description","Title":"Bluetooth: hci_aml: validate firmware segment lengths"}]}}}