cvedb.io
CVE-2021-3546
HIGH · CVSS 8.2
EPSS exploitation probability: 0%
Published 2021-06-02T14:15:11.120 · Last modified 2026-06-17T04:05:19.447

Summary

An out-of-bounds write vulnerability was found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions up to and including 6.0. The flaw occurs while processing the 'VIRTIO_GPU_CMD_GET_CAPSET' command from the guest. It could allow a privileged guest user to crash the QEMU process on the host, resulting in a denial of service condition, or potential code execution with the privileges of the QEMU process.

Affected products

qemu — qemu

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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.