RHSA-2020:4000 — Security Advisory
Red Hat Security Advisory: libvirt security and bug fix update
Severity
ModerateRed Hat Product Security
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.