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CVE-2026-63974

🗓️ 19 Jul 2026 14:55:59Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 6 Views

Bluetooth fix in Linux kernel to drain the workqueue during device close and avoid timeouts.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
Cvelist
CVE-2026-63974 Bluetooth: hci_sync: Set HCI_CMD_DRAIN_WORKQUEUE during device close
19 Jul 202614:55
cvelist
EUVD
EUVD-2026-45747
19 Jul 202614:55
euvd
NVD
CVE-2026-63974
19 Jul 202616:17
nvd
OSV
CVE-2026-63974 Bluetooth: hci_sync: Set HCI_CMD_DRAIN_WORKQUEUE during device close
19 Jul 202614:55
osv
OSV
DEBIAN-CVE-2026-63974
19 Jul 202616:17
osv
OSV
UBUNTU-CVE-2026-63974
20 Jul 202600:00
osv
Positive Technologies
PT-2026-61291
19 Jul 202600:00
ptsecurity
Vulners
CNA
Node
OR
OR
linuxlinux_kernelRange5.18.185.19
linuxlinux_kernelRange5.19.25.20
OR
linuxlinux_kernelRange6.06.12.93
linuxlinux_kernelRange6.13.06.18.35
linuxlinux_kernelRange6.19.07.0.12
linuxlinux_kernelRange7.1.0
[
  {
    "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": "877afadad2dce8aae1f2aad8ce47e072d4f6165e",
        "lessThan": "9cebe4680bb9a72f80c6541eb24af06db7a1fbc9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "877afadad2dce8aae1f2aad8ce47e072d4f6165e",
        "lessThan": "47330cc875b36a1cf7b3543cb2cf90a7c603ce0e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "877afadad2dce8aae1f2aad8ce47e072d4f6165e",
        "lessThan": "60bceb9a4c693e68cc90ba4b2dfb9e000e8638ff",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "877afadad2dce8aae1f2aad8ce47e072d4f6165e",
        "lessThan": "525daaea459fc215f432de1b8debbd9144bf97b0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4bf367fa1fefabdf14938d0ac9ed60020389112e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3b382555706558f5c0587862b6dc03e96a252bba",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.18.18",
        "lessThan": "5.19",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.19.2",
        "lessThan": "5.20",
        "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": "6.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.93",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.35",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.12",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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20 Jul 2026 15:16Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.18.8
EPSS0.002
6