{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-43069",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-01T14:12:55.982Z",
        "datePublished": "2026-05-05T15:23:28.120Z",
        "dateUpdated": "2026-05-11T22:17:07.130Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T22:17:07.130Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_ll: Fix firmware leak on error path\n\nSmatch reports:\n\ndrivers/bluetooth/hci_ll.c:587 download_firmware() warn:\n'fw' from request_firmware() not released on lines: 544.\n\nIn download_firmware(), if request_firmware() succeeds but the returned\nfirmware content is invalid (no data or zero size), the function returns\nwithout releasing the firmware, resulting in a resource leak.\n\nFix this by calling release_firmware() before returning when\nrequest_firmware() succeeded but the firmware content is invalid."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/bluetooth/hci_ll.c"
                    ],
                    "versions": [
                        {
                            "version": "371805522f870986144fcd88727a47858e364a2c",
                            "lessThan": "95e8601af227b2b4390eecf8db6abdb9f6a91f17",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "371805522f870986144fcd88727a47858e364a2c",
                            "lessThan": "e6d95488c8c964d1df0d3e1db44c958706311e86",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "371805522f870986144fcd88727a47858e364a2c",
                            "lessThan": "b2dfbf1b5ff192cefd49574b951a4af9ddd32213",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "371805522f870986144fcd88727a47858e364a2c",
                            "lessThan": "28904375d54b436a757641fb0331537778c0de5a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "371805522f870986144fcd88727a47858e364a2c",
                            "lessThan": "5213ef54528dd1ac79b846e30d8f72ce092794aa",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "371805522f870986144fcd88727a47858e364a2c",
                            "lessThan": "9ecbfd93cd6de6c78cb7fd51fe079e36c7ff074b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "371805522f870986144fcd88727a47858e364a2c",
                            "lessThan": "a7803df606a7d22e896b030f619e1d9d20ae0c6b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "371805522f870986144fcd88727a47858e364a2c",
                            "lessThan": "31148a7be723aa9f2e8fbd62424825ab8d577973",
                            "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_ll.c"
                    ],
                    "versions": [
                        {
                            "version": "4.12",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.12",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.253",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.203",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.168",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.131",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.80",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.21",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.11",
                            "lessThanOrEqual": "6.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0",
                            "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": "4.12",
                                    "versionEndExcluding": "5.10.253"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.12",
                                    "versionEndExcluding": "5.15.203"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.12",
                                    "versionEndExcluding": "6.1.168"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.12",
                                    "versionEndExcluding": "6.6.131"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.12",
                                    "versionEndExcluding": "6.12.80"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.12",
                                    "versionEndExcluding": "6.18.21"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.12",
                                    "versionEndExcluding": "6.19.11"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.12",
                                    "versionEndExcluding": "7.0"
                                }
                            ]
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                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/95e8601af227b2b4390eecf8db6abdb9f6a91f17"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e6d95488c8c964d1df0d3e1db44c958706311e86"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b2dfbf1b5ff192cefd49574b951a4af9ddd32213"
                },
                {
                    "url": "https://git.kernel.org/stable/c/28904375d54b436a757641fb0331537778c0de5a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5213ef54528dd1ac79b846e30d8f72ce092794aa"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9ecbfd93cd6de6c78cb7fd51fe079e36c7ff074b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a7803df606a7d22e896b030f619e1d9d20ae0c6b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/31148a7be723aa9f2e8fbd62424825ab8d577973"
                }
            ],
            "title": "Bluetooth: hci_ll: Fix firmware leak on error path",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}