Use After Free Affecting qemu-guest-agent package, versions <10:3.1.0-8.amzn2.0.4


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.06% (26th 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 Learn

Learn about Use After Free vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-AMZN2-QEMUGUESTAGENT-1683700
  • published27 Sept 2021
  • disclosed22 Apr 2020

Introduced: 22 Apr 2020

CVE-2020-1983  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 qemu-guest-agent to version 10:3.1.0-8.amzn2.0.4 or higher.
This issue was patched in ALAS2-2020-1485.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-guest-agent package and not the qemu-guest-agent package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

A use after free vulnerability in ip_reass() in ip_input.c of libslirp 4.2.0 and prior releases allows crafted packets to cause a denial of service.

CVSS Scores

version 3.1