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Vulnerability of QEMU: use after free via e1000e

Synthesis of the vulnerability 

An attacker, inside a guest system, can force the usage of a freed memory area via e1000e of QEMU, in order to trigger a denial of service, and possibly to run code on the host system.
Vulnerable products: QEMU.
Severity of this weakness: 2/4.
Creation date: 21/07/2020.
Références of this bulletin: CVE-2020-15859, VIGILANCE-VUL-32892.

Description of the vulnerability 

An attacker, inside a guest system, can force the usage of a freed memory area via e1000e of QEMU, in order to trigger a denial of service, and possibly to run code on the host system.
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This threat bulletin impacts software or systems such as QEMU.

Our Vigil@nce team determined that the severity of this computer threat bulletin 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 computer threat.

Solutions for this threat 

QEMU: patch for e1000e.
A patch is indicated in information sources.
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Computer vulnerabilities tracking service 

Vigil@nce provides an application vulnerability patch. The Vigil@nce security watch publishes vulnerability bulletins about threats impacting the information system.