Security Advisories›RHSA-2020:4000

RHSA-2020:4000 — Security Advisory

Red Hat Security Advisory: libvirt security and bug fix update

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Severity

Moderate

Red Hat Product Security

RHEL 7

Products

Official CSAF product identity

Published · September 30, 2020

Updated · June 28, 2026

Topic

An update for libvirt is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The libvirt library contains a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems. In addition, libvirt provides tools for remote management of virtualized systems.

Security Fix(es):

  • libvirt: Potential DoS by holding a monitor job while querying QEMU guest-agent (CVE-2019-20485)

  • libvirt: Potential denial of service via active pool without target path (CVE-2020-10703)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.9 Release Notes linked from the References section.

Related CVEs

RHSA-2020:4000 — Red Hat Security Advisory: libvirt security and bug fix update | PulseLinux