Loop with Unreachable Exit Condition ('Infinite Loop') Affecting qemu package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.05% (21st percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-UBUNTU2004-QEMU-1079197
  • published26 Feb 2021
  • disclosed9 Mar 2021

Introduced: 26 Feb 2021

CVE-2021-20255  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:20.04 qemu.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu package and not the qemu package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

CVSS Scores

version 3.1