RHSA-2021:2150 - Security Advisory

Topic

Red Hat OpenShift Container Platform release 3.11.452 is now available with
updates to packages and images that fix several bugs and add enhancements.

This release includes a security update for Red Hat OpenShift Container Platform 3.11.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

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 3.11.452. See the following advisory for the container images for
this release:

https://access.redhat.com/errata/RHBA-2021:2149

All OpenShift Container Platform 3.11 users are advised to upgrade to these
updated packages and images.

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.

Solution

Before applying this update, ensure all previously released errata relevant
to your system is applied.

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

https://docs.openshift.com/container-platform/3.11/release_notes/ocp_3_11_release_notes.html

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.

Affected Products

• Red Hat OpenShift Container Platform 3.11 x86_64
• Red Hat OpenShift Container Platform for Power 3.11 ppc64le

Fixes

• BZ - 1939605 - cri-o calling CNI ADD for missing network namespaces
• BZ - 1949123 - Node_filesystem_usage are not being collect and it's not possible to modify the Operator Object
• BZ - 1949153 - "[Feature:Builds][Conformance] build without output image" keeps failing
• BZ - 1949519 - Alertmanager triggers KubeAPILatencyHigh after RHOCP upgrade
• BZ - 1954353 - Kuryr controller not creating healthy pool members for service
• BZ - 1954736 - CVE-2021-30465 runc: vulnerable to symlink exchange attack
• BZ - 1955012 - openshift upgradation has failed with error docker 1.13 required because showdupesfromrepos enabled in /etc/yum.conf
• BZ - 1955024 - kuryr-cni built using unsupported golang 1.11

CVEs

• CVE-2021-30465

References

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