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 118 |
|---|---|---|---|---|
 | 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 | 15 Oct 202615:53 | – | astralinux |
 | QEMU vmxnet3 DoS | 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 input validation error vulnerability | 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 |
10
Node
OR
Data
Build on a solid foundation with Vulners data
We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data
Api
Power your application with Vulners API
The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access
App
Assess and manage vulnerabilities with Vulners tools
Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation
04 Mar 2021 08:00Current
7High risk
Vulners AI Score7
CVSS 22.1
CVSS 3.13.2
EPSS0.00592