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cve/2021/CVE-2021-20203.md
0xMarcio cb00e1339f Update CVE list 2025-09-29 21:09
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CVE-2021-20203

Description

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.

POC

Reference

No PoCs from references.

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