This Red Hat Security Advisory announces a Critical security update for OpenShift Container Platform 4.17, but the article does not describe the specific vulnerabilities, their attack vectors, or affected version ranges within the 4.17 stream. The fixed version is explicitly stated as OpenShift Container Platform 4.17.55, and users should upgrade to this version immediately.
Red Hat OpenShift Container Platform release 4.17.55 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 4.17. Red Hat Product Security has rated this update as having a security impact of Critical. 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.