Bluetooth: hci_conn: Fix memory leaks

{
  "id": "d02e78c3991a06d218f17699bf912caf9238c0b9f5afb48a4b6d9434e6f4b03c",
  "url": "https://osv.dev/vulnerability/CVE-2023-53018",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Bluetooth: hci_conn: Fix memory leaks",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_conn: Fix memory leaks When hci_cmd_sync_queue() failed in hci_le_terminate_big() or hci_le_big_terminate(), the memory pointed by variable d is not freed, which will cause memory leak. Add release process to error path.",
    "evidence": "osv:CVE-2023-53018",
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    "severity": "medium",
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      "metrics": [
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          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
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          "ranges": [
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              "type": "ECOSYSTEM",
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                  "introduced": "6.0.0"
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          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
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          "database_specific": {
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      ],
      "modified": "2026-10-28T02:30:33.091352581Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/3aa21311f36d8a2730c7ccef37235e951f23927b",
        "https://git.kernel.org/stable/c/f51a825b9f730a782aa768454906b4468e67b667",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53018.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-53018",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
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        "cna_assigner": "Linux",
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  "source_id": "core-osv",
  "document_id": 499800,
  "published_at": "2025-03-27T16:43:45.849+00:00"
}