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Red Hat OpenShift 3.11.524 RHSA-2021:3646-01 Important: Symlink Issue

red hat
Calendar Grey September 30, 2021
Dist Redhat Esm H88
Critical patch for Red Hat OpenShift Container Platform 3.11.524, addressing symlink problems and mitigating security threats.
Red Hat OpenShift Container Platform release 3.11.524 is now available with updates to packages and images that fix several bugs and add enhancements

Solution

See the following documentation, which will be updated shortly for release 3.11.524, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update:

https://docs.redhat.com/en/documentation/openshift_container_platform/3.11/html/release_notes/release-notes-ocp-3-11-release-notes

This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/articles/11258.

Summary

Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments.
This advisory contains the RPM packages for Red Hat OpenShift Container Platform. See the following advisory for the container images for this release:
https://access.redhat.com/errata/RHBA-2021:3647
All OpenShift Container Platform 3.11 users are advised to upgrade to these updated packages and images.
Security Fix(es):
* kubernetes: Symlink exchange can allow host filesystem access (CVE-2021-25741)
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.

Topics%20covered

Topics Covered

security advisory red hat bug fix important symlink issue kubernetes openshift

References

https://access.redhat.com/security/cve/CVE-2021-25741 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat OpenShift Container Platform 3.11:
Source: atomic-enterprise-service-catalog-3.11.524-1.git.2e6be86.el7.src.rpm atomic-openshift-3.11.524-1.git.0.2dffce7.el7.src.rpm atomic-openshift-cluster-autoscaler-3.11.524-1.git.99b2acf.el7.src.rpm atomic-openshift-descheduler-3.11.524-1.git.d435537.el7.src.rpm atomic-openshift-dockerregistry-3.11.524-1.git.3571208.el7.src.rpm atomic-openshift-metrics-server-3.11.524-1.git.f8bf728.el7.src.rpm atomic-openshift-node-problem-detector-3.11.524-1.git.c8f26da.el7.src.rpm atomic-openshift-service-idler-3.11.524-1.git.39cfc66.el7.src.rpm atomic-openshift-web-console-3.11.524-1.git.56ad978.el7.src.rpm golang-github-openshift-oauth-proxy-3.11.524-1.git.edebe84.el7.src.rpm golang-github-prometheus-alertmanager-3.11.524-1.git.13de638.el7.src.rpm golang-github-prometheus-node_exporter-3.11.524-1.git.609cd20.el7.src.rpm golang-github-prometheus-prometheus-3.11.524-1.git.99aae51.el7.src.rpm openshift-ansible-3.11.524-1.git.0.150f8a9.el7.src.rpm openshift-enterprise-autoheal-3.11.524-1.git.f2f435d.el7.src.rpm openshift-enterprise-cluster-capacity-3.11.524-1.git.22be164.el7.src.rpm openshift-kuryr-3.11.524-1.git.b234b49.el7.src.rpm
noarch: atomic-openshift-docker-excluder-3.11.524-1.git.0.2dffce7.el7.noarch.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:3646-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3646
Issue date: 2021-09-30

Topic

Red Hat OpenShift Container Platform release 3.11.524 is now available withupdates to packages and images that fix several bugs and add enhancements.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory red hat bug fix important symlink issue kubernetes openshift

Relevant Releases Architectures

Red Hat OpenShift Container Platform 3.11 - noarch, ppc64le, x86_64

Bugs Fixed

1993749 - CVE-2021-25741 kubernetes: Symlink exchange can allow host filesystem access

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