NULL Pointer Dereference Affecting libvirt-daemon-config-nwfilter package, versions <0:8.0.0-5.module+el8.6.0+14480+c0a3aa0f


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.4% (33rd 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-CENTOS8-LIBVIRTDAEMONCONFIGNWFILTER-2818938
  • published24 Dec 2021
  • disclosed12 Dec 2021

Introduced: 12 Dec 2021

CVE-2021-4158  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Centos:8 libvirt-daemon-config-nwfilter to version 0:8.0.0-5.module+el8.6.0+14480+c0a3aa0f or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libvirt-daemon-config-nwfilter package and not the libvirt-daemon-config-nwfilter package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

A NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.

CVSS Base Scores

version 3.1