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A flaw double-free memory corruption in the Linux kernel HCI device initialization subsystem was found in the way user attach malicious HCI TTY Bluetooth device. A local user could use this flaw to crash the system. This flaw affects all the Linux kernel versions starting from 3.13.

🗓️ 18 Jun 2021 07:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 2 Views

A local user can crash the system via double free memory corruption in the Linux kernel Bluetooth device initialization when attaching a malicious device.

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19 Feb 2026 09:09Current
6.4Medium risk
Vulners AI Score6.4
CVSS 22.1
CVSS 3.15.5
EPSS0.00485
2