CVE-2026-63974High· 8.8▾ TwilightIn the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: Set HCI_CMD_DRAIN_WORKQUEUE during device close Since hci_dev_close_sync() can now be called during the reset path, we should also set HCI_CMD_DRA…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 48.4 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Oct 16.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.3%
Last analysed / modified upstream
8.8 → 7.3
7.3 → 8.8
0.3% → 0.3%
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: hci_sync: Set HCI_CMD_DRAIN_WORKQUEUE during device close
Since hci_dev_close_sync() can now be called during the reset path, we should also set HCI_CMD_DRAIN_WORKQUEUE. This avoids queuing timeouts while the hdev workqueue is being drained.
Linux >= 877afadad2dce8aae1f2aad8ce47e072d4f6165e < 7b81c1378b79c3143ca3fdb3d18ac0f01cbabb21Linux >= 877afadad2dce8aae1f2aad8ce47e072d4f6165e < 9cebe4680bb9a72f80c6541eb24af06db7a1fbc9Linux >= 877afadad2dce8aae1f2aad8ce47e072d4f6165e < 47330cc875b36a1cf7b3543cb2cf90a7c603ce0eLinux >= 877afadad2dce8aae1f2aad8ce47e072d4f6165e < 60bceb9a4c693e68cc90ba4b2dfb9e000e8638ffLinux >= 877afadad2dce8aae1f2aad8ce47e072d4f6165e < 525daaea459fc215f432de1b8debbd9144bf97b0Linux 4bf367fa1fefabdf14938d0ac9ed60020389112eLinux 3b382555706558f5c0587862b6dc03e96a252bbaLinux >= 5.18.18 < 5.19Linux >= 5.19.2 < 5.20Linux 6.0Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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