{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "371805522f870986144fcd88727a47858e364a2c"
            },
            {
              "fixed": "95e8601af227b2b4390eecf8db6abdb9f6a91f17"
            },
            {
              "fixed": "e6d95488c8c964d1df0d3e1db44c958706311e86"
            },
            {
              "fixed": "b2dfbf1b5ff192cefd49574b951a4af9ddd32213"
            },
            {
              "fixed": "28904375d54b436a757641fb0331537778c0de5a"
            },
            {
              "fixed": "5213ef54528dd1ac79b846e30d8f72ce092794aa"
            },
            {
              "fixed": "9ecbfd93cd6de6c78cb7fd51fe079e36c7ff074b"
            },
            {
              "fixed": "a7803df606a7d22e896b030f619e1d9d20ae0c6b"
            },
            {
              "fixed": "31148a7be723aa9f2e8fbd62424825ab8d577973"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.12.0"
            },
            {
              "fixed": "5.10.253"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.203"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.168"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.131"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.80"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.21"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.11"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43069.json"
  },
  "details": "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.",
  "id": "CVE-2026-43069",
  "modified": "2026-07-15T01:49:17.902883939Z",
  "published": "2026-05-05T15:23:28.120Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/28904375d54b436a757641fb0331537778c0de5a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/31148a7be723aa9f2e8fbd62424825ab8d577973"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5213ef54528dd1ac79b846e30d8f72ce092794aa"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/95e8601af227b2b4390eecf8db6abdb9f6a91f17"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9ecbfd93cd6de6c78cb7fd51fe079e36c7ff074b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a7803df606a7d22e896b030f619e1d9d20ae0c6b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b2dfbf1b5ff192cefd49574b951a4af9ddd32213"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e6d95488c8c964d1df0d3e1db44c958706311e86"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43069.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43069"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "Bluetooth: hci_ll: Fix firmware leak on error path"
}