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Red Hat OpenShift 4.5.40 RHSA-2021:2057-01 Important Symlink Attack Fix

red hat
Calendar Grey May 26, 2021
Dist Redhat Esm H88
The latest enhancements for OpenShift Container Platform 4.5.40 tackle significant bugs and security vulnerabilities assessed as crucial for end-users.
Red Hat OpenShift Container Platform release 4.5.40 is now available with updates to packages and images that fix several bugs

Solution

For OpenShift Container Platform 4.5 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/4.5/html/release_notes/ocp-4-5-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 4.5.40. See the following advisory for the container images for this release:
https://access.redhat.com/errata/RHBA-2021:2056
The runC tool is a lightweight, portable implementation of the Open Container Format (OCF) that provides container runtime.
Security Fix(es):
* runc: vulnerable to symlink exchange attack (CVE-2021-30465)
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 4.5 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 critical package update symlink attack important Red Hat OpenShift container security

References

https://access.redhat.com/security/cve/CVE-2021-30465 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/security/vulnerabilities/RHSB-2021-004

Package List

Red Hat OpenShift Container Platform 4.5:
Source: openshift-4.5.0-202105121820.p0.git.d8ef5ad.el7.src.rpm runc-1.0.0-74.rhaos4.5.gitd2c3b70.el7.src.rpm
ppc64le: openshift-hyperkube-4.5.0-202105121820.p0.git.d8ef5ad.el7.ppc64le.rpm runc-1.0.0-74.rhaos4.5.gitd2c3b70.el7.ppc64le.rpm runc-debuginfo-1.0.0-74.rhaos4.5.gitd2c3b70.el7.ppc64le.rpm
s390x: openshift-hyperkube-4.5.0-202105121820.p0.git.d8ef5ad.el7.s390x.rpm runc-1.0.0-74.rhaos4.5.gitd2c3b70.el7.s390x.rpm runc-debuginfo-1.0.0-74.rhaos4.5.gitd2c3b70.el7.s390x.rpm
x86_64: openshift-hyperkube-4.5.0-202105121820.p0.git.d8ef5ad.el7.x86_64.rpm runc-1.0.0-74.rhaos4.5.gitd2c3b70.el7.x86_64.rpm runc-debuginfo-1.0.0-74.rhaos4.5.gitd2c3b70.el7.x86_64.rpm
Red Hat OpenShift Container Platform 4.5:
Source: openshift-4.5.0-202105121820.p0.git.d8ef5ad.el8.src.rpm runc-1.0.0-74.rhaos4.5.gitd2c3b70.el8.src.rpm
ppc64le: openshift-hyperkube-4.5.0-202105121820.p0.git.d8ef5ad.el8.ppc64le.rpm runc-1.0.0-74.rhaos4.5.gitd2c3b70.el8.ppc64le.rpm runc-debuginfo-1.0.0-74.rhaos4.5.gitd2c3b70.el8.ppc64le.rpm runc-debugsource-1.0.0-74.rhaos4.5.gitd2c3b70.el8.ppc64le.rpm
s390x: openshift-hyperkube-4.5.0-202105121820.p0.git.d8ef5ad.el8.s390x.rpm runc-1.0.0-74.rhaos4.5.gitd2c3b70.el8.s390x.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:2057-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2057
Issue date: 2021-05-26

Topic

Red Hat OpenShift Container Platform release 4.5.40 is now available withupdates to packages and images that fix several bugs.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 critical package update symlink attack important Red Hat OpenShift container security

Relevant Releases Architectures

Red Hat OpenShift Container Platform 4.5 - ppc64le, s390x, x86_64

Bugs Fixed

1954736 - CVE-2021-30465 runc: vulnerable to symlink exchange attack

1962453 - Placeholder bug for OCP 4.5.z rpm release

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