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Vulnerability of QEMU: denial of service via virtio-fs

Synthesis of the vulnerability 

An attacker, inside a guest system, can allocate all file descriptors via virtio-fs in QEMU, in order to trigger a denial of service on the host system.
Impacted products: QEMU.
Severity of this bulletin: 1/4.
Creation date: 04/05/2020.
Références of this threat: CVE-2020-10717, VIGILANCE-VUL-32175.

Description of the vulnerability 

An attacker, inside a guest system, can allocate all file descriptors via virtio-fs in QEMU, in order to trigger a denial of service on the host system.
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This weakness bulletin impacts software or systems such as QEMU.

Our Vigil@nce team determined that the severity of this computer weakness is low.

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 announce.

Solutions for this threat 

QEMU: version 5.0.1.
The version 5.0.1 is fixed:
  https://www.qemu.org/download/#source

QEMU: patch for virtiofsd.
A patch is indicated in information sources.
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