CVE-2020-10717: Qemu

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

A potential DoS flaw was found in the virtio-fs shared file system daemon (virtiofsd) implementation of the QEMU version >= v5.0. Virtio-fs is meant to share a host file system directory with a guest via virtio-fs device. If the guest opens the maximum number of file descriptors under the shared directory, a denial of service may occur. This flaw allows a guest user/process to cause this denial of service on the host.

Affected products

• Qemu Qemu: from 5.0, before 5.0.1 (fixed in 5.0.1)

Published 2020-05-04. Last modified 2026-06-17.