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Vulnerability of QEMU: integer overflow via vmxnet3

Synthesis of the vulnerability 

An attacker, inside a guest system, can trigger an integer overflow via vmxnet3 of QEMU, in order to trigger a denial of service, and possibly to run code on the host system.
Vulnerable products: QEMU, SLES.
Severity of this weakness: 2/4.
Creation date: 19/02/2021.
Références of this bulletin: CVE-2021-20203, SUSE-SU-2021:0521-1, VIGILANCE-VUL-34626.

Description of the vulnerability 

An attacker, inside a guest system, can trigger an integer overflow via vmxnet3 ...
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This threat alert impacts software or systems such as QEMU, SLES.

Our Vigil@nce team determined that the severity of this computer vulnerability 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 weakness note.

Solutions for this threat 

Patches for this vulnerability are not yet public.
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