An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU. 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. https://lists.gnu.org/archive/html/qemu-devel/2021-01/msg07935.html CREATE(Triage):(User=admin) [CVE-2021-20203|https://nvd.nist.gov/vuln/detail/CVE-2021-20203]
