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CVE-2021-3564

MEDIUM CVSS: 5.5 Published: 2021-06-08 Modified: 2026-06-17

Description

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.

Affected Platforms

Debian Debian LinuxLinux Linux KernelFedoraproject Fedora

Weakness Type

CWE-415, CWE-415

References