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CVE-2021-3546

HIGH CVSS: 8.2 Published: 2021-06-02 Modified: 2026-06-17

Description

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 Platforms

Debian Debian LinuxQemu Qemu

Weakness Type

CWE-787, CWE-787

References