- Vulnerability/
- RHSA-2021:0976
RHSA-2021:0976: Moderate: Red Hat Virtualization Host security, bug fix and enhancement update (4.4.4-2)
First published: Tue Mar 23 2021(Updated: )
The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. 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. <br>The ovirt-node-ng packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. 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.<br>The following packages have been upgraded to a later upstream version: redhat-release-virtualization-host (4.4.4), redhat-virtualization-host (4.4.4)<br>Changes to the imgbased component:<br><li> Previously, the chronyd symlink was removed during the upgrade process. As a result, the chronyd service was disabled following the upgrade.</li> In this release, the chronyd service is enabled after upgrade. (BZ#1903777)<br>Security Fix(es):<br><li> lldp/openvswitch: denial of service via externally triggered memory leak (CVE-2020-27827)</li> 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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/redhat-release-virtualization-host | <4.4.4-2.el8e | 4.4.4-2.el8e |
| redhat/redhat-virtualization-host-image-update-placeholder | <4.4.4-2.el8e | 4.4.4-2.el8e |
| redhat/redhat-virtualization-host | <4.4.4-20210307.0.el8_3 | 4.4.4-20210307.0.el8_3 |
| redhat/redhat-virtualization-host-image-update | <4.4.4-20210307.0.el8_3 | 4.4.4-20210307.0.el8_3 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1903777
- https://bugzilla.redhat.com/show_bug.cgi?id=1915877
- https://bugzilla.redhat.com/show_bug.cgi?id=1916659
- https://bugzilla.redhat.com/show_bug.cgi?id=1921438
- https://bugzilla.redhat.com/show_bug.cgi?id=1932763
- https://access.redhat.com/security/updates/classification/#moderate
- https://access.redhat.com/errata/RHSA-2021:0976 (Advisory)
Frequently Asked Questions
What is the severity of RHSA-2021:0976?
The severity of RHSA-2021:0976 is classified as Moderate.
How do I fix RHSA-2021:0976?
To fix RHSA-2021:0976, you should update to the recommended versions of the affected packages as specified in the advisory.
Which packages are affected by RHSA-2021:0976?
The affected packages in RHSA-2021:0976 include redhat-release-virtualization-host and redhat-virtualization-host.
Is there a workaround for RHSA-2021:0976?
There are no specific workarounds provided for RHSA-2021:0976, and updating is the recommended approach.
What versions are remediated for RHSA-2021:0976?
The remediated versions for RHSA-2021:0976 include redhat-release-virtualization-host version 4.4.4-2.el8e.
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