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Red Hat OpenShift 4.7.32 RHSA-2021:3635-01 Important: Symlink Issue

red hat
Calendar Grey September 29, 2021
Dist Redhat Esm H88
Canonical reveals significant enhancements for Kubernetes 1.25, bolstering performance and addressing vulnerabilities.
Red Hat OpenShift Container Platform release 4.7.32 is now available with updates to packages and images that fix several bugs and add enhancements

Solution

For OpenShift Container Platform 4.7 see the following documentation, which will be updated shortly for this release, 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/4.7/html/release_notes/ocp-4-7-release-notes

Details on how to access this content are available at - -cli.html

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 4.7.32. See the following advisory for the container images for this release:
https://access.redhat.com/errata/RHBA-2021:3636
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.
All OpenShift Container Platform 4.7 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift Console or the CLI oc command. Instructions for upgrading a cluster are available at - -between-minor.html#understanding-upgrade-channels_updating-cluster-between - -minor

Topics%20covered

Topics Covered

security advisory package update symlink issue security impact important update Red Hat OpenShift container platform

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 4.7:
Source: openshift-4.7.0-202109172126.p0.git.bbbc079.assembly.stream.el7.src.rpm
x86_64: openshift-hyperkube-4.7.0-202109172126.p0.git.bbbc079.assembly.stream.el7.x86_64.rpm
Red Hat OpenShift Container Platform 4.7:
Source: openshift-4.7.0-202109172126.p0.git.bbbc079.assembly.stream.el8.src.rpm
ppc64le: openshift-hyperkube-4.7.0-202109172126.p0.git.bbbc079.assembly.stream.el8.ppc64le.rpm
s390x: openshift-hyperkube-4.7.0-202109172126.p0.git.bbbc079.assembly.stream.el8.s390x.rpm
x86_64: openshift-hyperkube-4.7.0-202109172126.p0.git.bbbc079.assembly.stream.el8.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:3635-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3635
Issue date: 2021-09-29

Topic

Red Hat OpenShift Container Platform release 4.7.32 is now available withupdates to packages and images that fix several bugs and add enhancements.This release includes a security update for Red Hat OpenShift ContainerPlatform 4.7.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 package update symlink issue security impact important update Red Hat OpenShift container platform

Relevant Releases Architectures

Red Hat OpenShift Container Platform 4.7 - ppc64le, s390x, x86_64

Bugs Fixed

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

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