RHSA-2020:3520: Moderate: OpenShift Container Platform 4.5.7 openshift-enterprise-hyperkube-container security update

Published Aug 24, 2020
·
Updated

Red Hat OpenShift Container Platform is Red Hat's cloud computingKubernetes application platform solution designed for on-premise or privatecloud deployments.Security Fix(es): kubernetes: Node disk DOS by writing to container /etc/hosts (CVE-2020-8557) 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

2 affected components
Red Hat OpenShift Container Platform=4.5.7
redhat/openshift-enterprise-hyperkube-container=4.5.7

Remediation

Event History

May 1, 2026
Advisory Published
via Red Hat·03:49 PM
Data Sourced
via Red Hat·03:49 PM
RemedyDescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of RHSA-2020:3520?

The severity of RHSA-2020:3520 is classified as moderate.

2

How do I fix RHSA-2020:3520?

To fix RHSA-2020:3520, update your Red Hat OpenShift Container Platform to the latest available version.

3

What vulnerability is addressed in RHSA-2020:3520?

RHSA-2020:3520 addresses a denial-of-service vulnerability by writing to the container's /etc/hosts file, identified as CVE-2020-8557.

4

Are there any workarounds for RHSA-2020:3520?

There are no specific workarounds recommended for RHSA-2020:3520; the best action is to apply the security update.

5

Which versions of Red Hat OpenShift Container Platform are affected by RHSA-2020:3520?

RHSA-2020:3520 affects specific versions of Red Hat OpenShift Container Platform, and users should check their deployment against the advisory for details.

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