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Vulnerability of Linux kernel: use after free via BlueTooth HCI Device Initialization

Synthesis of the vulnerability 

An attacker can force the usage of a freed memory area via BlueTooth HCI Device Initialization of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
Vulnerable software: Linux.
Severity of this announce: 2/4.
Creation date: 25/05/2021.
Références of this computer vulnerability: CVE-2021-3564, VIGILANCE-VUL-35515.

Description of the vulnerability 

An attacker can force the usage of a freed memory area via BlueTooth HCI Device ...
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This security note impacts software or systems such as Linux.

Our Vigil@nce team determined that the severity of this threat announce is medium.

The trust level is of type confirmed by the editor, with an origin of user shell.

A proof of concept or an attack tool is available, so your teams have to process this alert. An attacker with a specialist ability can exploit this computer weakness announce.

Solutions for this threat 

Solutions for this vulnerability are not yet public.
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