AUGUST 4, 2026
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Case File

CVE-2021-3416

MEDIUM · CVSS 6 EPSS 0.46%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-03-18 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.0. See the original NVD description below for full technical details.

CVE
CVE-2021-3416
Severity
MEDIUM
CVSS
6
EPSS
0.46%

Original NVD Description

A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions up to and including 5.2.0. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest user/process may use this flaw to consume CPU cycles or crash the QEMU process on the host resulting in DoS scenario.

Related CVEs

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