CVE-2026-63974 — Bluetooth: hci_sync: Set HCI_CMD_DRAIN_WORKQUEUE during device close
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 …
Published: 2026-07-19 · CVSS: 8.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7