Use After Free Affecting virt:rhel/netcf-devel package, versions <0:0.2.8-12.module+el8.1.0+4066+0f1aadab


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise 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-RHEL8-VIRT-3893490
  • 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:rhel/netcf-devel to version 0:0.2.8-12.module+el8.1.0+4066+0f1aadab or higher.
This issue was patched in RHSA-2020:4676.

NVD Description

Note: Versions mentioned in the description apply only to the upstream virt:rhel/netcf-devel package and not the virt:rhel/netcf-devel 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 Scores

version 3.1