CVE-2021-3546
High
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.
SeverityHigh
CVSS8.2
Exploit probability—
Product
Qemu
PublishedJun 2, 2021
First seenJun 2, 2021
Weakness typeCWE-787Out-of-bounds write
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| qemu qemu | v ≤ 6.0.0 | — |
| debian debian_linux | 11.0 | — |
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