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CVE-2021-20203

Published: 2/25/2021 Last updated: 8/3/2024 Reserved: 12/17/2020

An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5.2.0. It may occur if a guest was to supply invalid values for rx/tx queue size or other NIC parameters. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in DoS scenario.

CNA assigner: redhat (53f830b8-0a3f-465b-8143-3b8a9948e749) Requested by: n/a

Opam packages affected (2)

conf-qemu-img nbd-tool

Products affected (1)

Product Vendor Version
qemu n/a < 17.4R2

References (10)