{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-80759","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-08-26T14:34:25.791Z","datePublished":"2026-09-04T15:12:28.900Z","dateUpdated":"2026-09-04T15:12:28.900Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-04T15:12:28.900Z"},"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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bluetooth/hci_aml.c"],"versions":[{"version":"37bac77e4649e8158698a60addc22ec4faf5649a","lessThan":"7733b01ed13685773ccda91035a46f87d4cfef7c","status":"affected","versionType":"git"},{"version":"37bac77e4649e8158698a60addc22ec4faf5649a","lessThan":"e1534d49a7b8ba728e84b020f6d802aa1cb759d9","status":"affected","versionType":"git"},{"version":"37bac77e4649e8158698a60addc22ec4faf5649a","lessThan":"6c70253462902d835e843b470f74aa816d60af80","status":"affected","versionType":"git"},{"version":"37bac77e4649e8158698a60addc22ec4faf5649a","lessThan":"2763b8bcb504e30ec955474f51b99ce42fc62f3b","status":"affected","versionType":"git"},{"version":"37bac77e4649e8158698a60addc22ec4faf5649a","lessThan":"2bf6b9baca9372ea51b6d0f2820dc9bf29a83ef4","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bluetooth/hci_aml.c"],"versions":[{"version":"6.12","status":"affected"},{"version":"0","lessThan":"6.12","status":"unaffected","versionType":"semver"},{"version":"6.12.106","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.47","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.1.11","lessThanOrEqual":"7.1.*","status":"unaffected","versionType":"semver"},{"version":"7.2.1","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"6.12.106"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"6.18.47"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"7.1.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"7.2.1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"7.3-rc1"}]}]}],"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"}}}}