Bluetooth: Fix potential use-after-free when clear keys

{
  "id": "18b01d8c9e6bbef44208ce33fec8c83f7b66df0ad8c1b186d1a118fafac9ba32",
  "url": "https://osv.dev/vulnerability/CVE-2023-53386",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Bluetooth: Fix potential use-after-free when clear keys",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix potential use-after-free when clear keys Similar to commit c5d2b6fa26b5 (\"Bluetooth: Fix use-after-free in hci_remove_ltk/hci_remove_irk\"). We can not access k after kfree_rcu() call.",
    "evidence": "osv:CVE-2023-53386",
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            "value": "6.1.53",
            "evidence": "/affected/1/ranges"
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          {
            "value": "6.4.16",
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    "severity": "high",
    "structured": {
      "id": "CVE-2023-53386",
      "aliases": [
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      "metrics": [
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          "type": "CVSS_V3",
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            "ecosystem": "Linux"
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      ],
      "modified": "2026-10-28T02:30:36.291120027Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/35cc42f04bc49f0656f6840cb7451b3df6049649",
        "https://git.kernel.org/stable/c/3673952cf0c6cf81b06c66a0b788abeeb02ff3ae",
        "https://git.kernel.org/stable/c/942d8cefb022f384d5424f8b90c7878f3f93726f",
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        "https://git.kernel.org/stable/c/da19f35868dfbecfff4f81166c054d2656cb1be4",
        "https://git.kernel.org/stable/c/e87da6a0ac6e631454e7da53a76aa9fe44aaa5dd",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53386.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-53386",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
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      "provider_metadata": {
        "cna_assigner": "Linux",
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    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
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  "source_id": "core-osv",
  "document_id": 503105,
  "published_at": "2025-09-18T13:33:29.897+00:00"
}