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CVE-2023-53520 Bluetooth: Fix hci_suspend_sync crash

🗓️ 01 Oct 2025 11:46:07Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

Linux Bluetooth fix for hci_suspend_sync crash by holding hci_dev refcount in hci_suspend_notifier.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/bluetooth/hci_core.c"
    ],
    "versions": [
      {
        "version": "9952d90ea2885d7cbf80cd233f694f09a9c0eaec",
        "lessThan": "e1fa25a91091bbed691ba2996a6cee809e3309a2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9952d90ea2885d7cbf80cd233f694f09a9c0eaec",
        "lessThan": "06e2b5ad72b60f90bfe565c201346532e271f484",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9952d90ea2885d7cbf80cd233f694f09a9c0eaec",
        "lessThan": "f9c8ce5d665653e3cf71a76349d41d7a7f7947e6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9952d90ea2885d7cbf80cd233f694f09a9c0eaec",
        "lessThan": "573ebae162111063eedc6c838a659ba628f66a0f",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/bluetooth/hci_core.c"
    ],
    "versions": [
      {
        "version": "5.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.7",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.199",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.55",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.5.5",
        "lessThanOrEqual": "6.5.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 19:46Current
EPSS0.00101
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