CVE-2026-63974

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux877afadad2dce8aae1f2aad8ce47e072d4f6165e < 9cebe4680bb9a72f80c6541eb24af06db7a1fbc9affected
LinuxLinux877afadad2dce8aae1f2aad8ce47e072d4f6165e < 47330cc875b36a1cf7b3543cb2cf90a7c603ce0eaffected
LinuxLinux877afadad2dce8aae1f2aad8ce47e072d4f6165e < 60bceb9a4c693e68cc90ba4b2dfb9e000e8638ffaffected
LinuxLinux877afadad2dce8aae1f2aad8ce47e072d4f6165e < 525daaea459fc215f432de1b8debbd9144bf97b0affected
LinuxLinux4bf367fa1fefabdf14938d0ac9ed60020389112eaffected
LinuxLinux3b382555706558f5c0587862b6dc03e96a252bbaaffected
LinuxLinux5.18.18 < 5.19affected
LinuxLinux5.19.2 < 5.20affected
LinuxLinux6.0affected
LinuxLinux0 < 6.0unaffected
LinuxLinux6.12.93 <= 6.12.*unaffected
LinuxLinux6.18.35 <= 6.18.*unaffected
LinuxLinux7.0.12 <= 7.0.*unaffected
LinuxLinux7.1 <= *unaffected

Weaknesses

References