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Vulnerability of Linux kernel: use after free via usb_sg_cancel

Synthesis of the vulnerability 

An attacker can force the usage of a freed memory area via usb_sg_cancel() of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
Vulnerable systems: Linux.
Severity of this threat: 2/4.
Creation date: 30/04/2020.
Références of this weakness: CVE-2020-12464, VIGILANCE-VUL-32156.

Description of the vulnerability 

An attacker can force the usage of a freed memory area via usb_sg_cancel() of th...
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This security bulletin impacts software or systems such as Linux.

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

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

An attacker with a expert ability can exploit this vulnerability alert.

Solutions for this threat 

This vulnerability workaround will be public soon.
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