Use After Free Affecting virt:8.1/qemu-guest-agent package, versions <15:4.1.0-23.module+el8.1.1+8044+df42c295.4


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
2.36% (83rd 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-RHEL8-VIRT-4429609
  • published26 Jul 2021
  • disclosed2 Apr 2020

Introduced: 2 Apr 2020

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

How to fix?

Upgrade RHEL:8 virt:8.1/qemu-guest-agent to version 15:4.1.0-23.module+el8.1.1+8044+df42c295.4 or higher.
This issue was patched in RHSA-2020:4290.

NVD Description

Note: Versions mentioned in the description apply only to the upstream virt:8.1/qemu-guest-agent package and not the virt:8.1/qemu-guest-agent package as distributed by RHEL. See How to fix? for RHEL:8 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 Base Scores

version 3.1