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CVE-2026-43022 Bluetooth: hci_sync: hci_cmd_sync_queue_once() return -EEXIST if exists

🗓️ 01 May 2026 14:15:25Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 36 Views

Linux kernel Bluetooth hci_cmd_sync_queue_once returns -EEXIST if the queue item exists.

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_sync.c"
    ],
    "versions": [
      {
        "version": "505ea2b295929e7be2b4e1bc86ee31cb7862fb01",
        "lessThan": "0ad2ce230b38cd4b3f6732cc609e270461e626e5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "505ea2b295929e7be2b4e1bc86ee31cb7862fb01",
        "lessThan": "2969554bcfccb5c609f6b6cd4a014933f3a66dd0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f00f36db76eb8fd10d13e80e2590f23b5beaa54d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1499f79995c7ee58e3bfeeff75f6d1b37dcda881",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "357603f4d396d85fbf0045512efaf1d7f7394ed7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.1.120",
        "lessThan": "6.2",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.6.51",
        "lessThan": "6.7",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.8.9",
        "lessThan": "6.9",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/bluetooth/hci_sync.c"
    ],
    "versions": [
      {
        "version": "6.9",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.9",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.12",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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