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CVE-2021-20203

by Fred · 25/02/2021

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.

Date published : 2021-02-25

https://bugs.launchpad.net/qemu/+bug/1913873

https://bugzilla.redhat.com/show_bug.cgi?id=1922441

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