cvedb.io
CVE-2021-3559
MEDIUM · CVSS 6.5
EPSS exploitation probability: 0%
Published 2021-05-24T12:15:07.677 · Last modified 2026-06-17T04:05:20.667

Summary

A flaw was found in libvirt in the virConnectListAllNodeDevices API in versions before 7.0.0. It only affects hosts with a PCI device and driver that supports mediated devices (e.g., GRID driver). This flaw could be used by an unprivileged client with a read-only connection to crash the libvirt daemon by executing the 'nodedev-list' virsh command. The highest threat from this vulnerability is to system availability.

Affected products

redhat — libvirt

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.