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.
| Reporter | Title | Published | Views | Family All 117 |
|---|---|---|---|---|
 | Security fix for the ALT Linux 10 package qemu version 6.1.1-alt1 | 1 Mar 202200:00 | – | altlinux |
 | CVE-2021-20203 | 25 Feb 202120:15 | – | attackerkb |
 | CVE-2021-20203 | 25 Feb 202119:09 | – | alpinelinux |
 | Astra Linux – Vulnerability in Qemu | 20 May 202605:53 | – | astralinux |
 | The vulnerability of the vmxnet3 network card emulator, a component of the QEMU hardware emulation software, allows a hacker to induce a service failure. | 21 Sep 202200:00 | – | bdu_fstec |
 | CVE-2021-20203 affecting package qemu-kvm 4.2.0-48 | 6 Apr 202123:50 | – | cbl_mariner |
 | CVE-2021-20203 | 25 Feb 202122:37 | – | circl |
 | QEMU 输入验证错误漏洞 | 19 Feb 202100:00 | – | cnnvd |
 | QEMU Input Validation Error Vulnerability (CNVD-2021-17229) | 21 Feb 202100:00 | – | cnvd |
 | CVE-2021-20203 | 25 Feb 202119:09 | – | cve |
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04 Mar 2021 08:00Current
7High risk
Vulners AI Score7
CVSS 22.1
CVSS 3.13.2
EPSS0.00592