RHSA-2022:0443 — Security Advisory
Red Hat Security Advisory: RHV-H security update (redhat-virtualization-host) 4.3.21
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · February 7, 2022
Updated · August 7, 2026
Topic
An update for redhat-release-virtualization-host and redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact of Important. 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 redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host. Red Hat Virtualization Hosts (RHVH) are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks.
Security Fix(es):
-
polkit: Local privilege escalation in pkexec due to incorrect handling of argument vector (CVE-2021-4034)
-
samba: Active Directory (AD) domain user could become root on domain members (CVE-2020-25717)
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.