Homepage

NULL Pointer Dereference Affecting libvirt-daemon-kvm package, versions <0:4.5.0-23.amzn2

Severity

 Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
1.48% (72nd 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-AMZN2-LIBVIRTDAEMONKVM-1676699
  • published27 Sept 2021
  • disclosed27 Mar 2019
Report a new vulnerability Found a mistake?

Introduced: 27 Mar 2019

CVE-2019-3840  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 libvirt-daemon-kvm to version 0:4.5.0-23.amzn2 or higher.
This issue was patched in ALAS2-2019-1361.

NVD Description

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

A NULL pointer dereference flaw was discovered in libvirt before version 5.0.0 in the way it gets interface information through the QEMU agent. An attacker in a guest VM can use this flaw to crash libvirtd and cause a denial of service.