{"api_version":"1","generated_at":"2026-07-23T20:01:42+00:00","cve":"CVE-2026-63974","urls":{"html":"https://cve.report/CVE-2026-63974","api":"https://cve.report/api/cve/CVE-2026-63974.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-63974","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-63974"},"summary":{"title":"Bluetooth: hci_sync: Set HCI_CMD_DRAIN_WORKQUEUE during device close","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_sync: Set HCI_CMD_DRAIN_WORKQUEUE during device close\n\nSince hci_dev_close_sync() can now be called during the reset path, we\nshould also set HCI_CMD_DRAIN_WORKQUEUE. This avoids queuing timeouts\nwhile the hdev workqueue is being drained.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-19 16:17:16","updated_at":"2026-07-20 15:16:59"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"8.8","severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"8.8","severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/9cebe4680bb9a72f80c6541eb24af06db7a1fbc9","name":"https://git.kernel.org/stable/c/9cebe4680bb9a72f80c6541eb24af06db7a1fbc9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/60bceb9a4c693e68cc90ba4b2dfb9e000e8638ff","name":"https://git.kernel.org/stable/c/60bceb9a4c693e68cc90ba4b2dfb9e000e8638ff","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/525daaea459fc215f432de1b8debbd9144bf97b0","name":"https://git.kernel.org/stable/c/525daaea459fc215f432de1b8debbd9144bf97b0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/47330cc875b36a1cf7b3543cb2cf90a7c603ce0e","name":"https://git.kernel.org/stable/c/47330cc875b36a1cf7b3543cb2cf90a7c603ce0e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-63974","name":"CVE 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the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_sync: Set HCI_CMD_DRAIN_WORKQUEUE during device close\n\nSince hci_dev_close_sync() can now be called during the reset path, we\nshould also set HCI_CMD_DRAIN_WORKQUEUE. 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This avoids queuing timeouts\nwhile the hdev workqueue is being drained.","Type":"Description","Title":"Bluetooth: hci_sync: Set HCI_CMD_DRAIN_WORKQUEUE during device c"}]}}}