{
    "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": "2026-10-19T08:43:15.994Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T08:43:15.994Z"
            },
            "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",
                            "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"
                                }
                            ]
                        }
                    ]
                }
            ],
            "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"
            }
        }
    }
}