RHSA-2021:4910: Moderate: OpenShift Virtualization 4.8.3 RPMs security and bug fix update

Published Dec 2, 2021
·
Updated

OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform. This advisory contains OpenShift Virtualization 4.8.3 RPMs.Security Fix(es): golang: net: incorrect parsing of extraneous zero characters at the beginning of an IP address octet (CVE-2021-29923) 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

6 affected componentsFixes available
redhat/kubevirt<4.8.3-251.el8
4.8.3-251.el8
redhat/kubevirt-virtctl<4.8.3-251.el8
4.8.3-251.el8
redhat/kubevirt-virtctl-redistributable<4.8.3-251.el8
4.8.3-251.el8
redhat/kubevirt<4.8.3-251.el7
4.8.3-251.el7
redhat/kubevirt-virtctl<4.8.3-251.el7
4.8.3-251.el7
redhat/kubevirt-virtctl-redistributable<4.8.3-251.el7
4.8.3-251.el7

Remediation

Event History

Dec 20, 2025
Advisory Published
via Red Hat·08:33 AM
Data Sourced
via Red Hat·08:33 AM
RemedyDescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of RHSA-2021:4910?

The severity of RHSA-2021:4910 is classified as moderate.

2

How do I fix RHSA-2021:4910?

To fix RHSA-2021:4910, you need to update the affected packages to version 4.8.3-251.el8 or 4.8.3-251.el7.

3

Which packages are affected by RHSA-2021:4910?

The affected packages include kubevirt, kubevirt-virtctl, and kubevirt-virtctl-redistributable for both el7 and el8.

4

What are the notable security fixes in RHSA-2021:4910?

The notable security fix in RHSA-2021:4910 addresses incorrect parsing of extraneous zero characters in the golang 'net' library.

5

When was RHSA-2021:4910 released?

RHSA-2021:4910 was released as part of the OpenShift Virtualization 4.8.3 RPMs.

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