RHSA-2021:2984MediumCVSS 7.5

Red Hat Security Advisory: OpenShift Container Platform 4.8.4 bug fix and security update

Published
August 10, 2021
Last Modified
August 4, 2026

🔗 CVE IDs covered (6)

CVE-2021-33195 →CVE-2021-33196 →CVE-2021-33197 →CVE-2021-33198 →CVE-2021-34558 →CVE-2021-31525 →

📋 Description

CVE-2021-31525 — golang: net/http: panic in ReadRequest and ReadResponse when reading a very large header CVE-2021-33195 — golang: net: lookup functions may return invalid host names CVE-2021-33196 — golang: archive/zip: malformed archive may cause panic or memory exhaustion CVE-2021-33197 — golang: net/http/httputil: ReverseProxy forwards connection headers if first one is empty CVE-2021-33198 — golang: math/big.Rat: may cause a panic or an unrecoverable fatal error if passed inputs with very large exponents CVE-2021-34558 — golang: crypto/tls: certificate of wrong type is causing TLS client to panic

🎯 Affected products56

  • Red Hat OpenShift Container Platform 4.8
  • atomic-openshift-service-idler-0:4.8.0-202107291413.p0.git.39cfc66.assembly.stream.el8.ppc64le as a component of Red Hat OpenShift Container Platform 4.8
  • atomic-openshift-service-idler-0:4.8.0-202107291413.p0.git.39cfc66.assembly.stream.el8.s390x as a component of Red Hat OpenShift Container Platform 4.8
  • atomic-openshift-service-idler-0:4.8.0-202107291413.p0.git.39cfc66.assembly.stream.el8.src as a component of Red Hat OpenShift Container Platform 4.8
  • atomic-openshift-service-idler-0:4.8.0-202107291413.p0.git.39cfc66.assembly.stream.el8.x86_64 as a component of Red Hat OpenShift Container Platform 4.8
  • cri-o-0:1.21.2-8.rhaos4.8.git8d4264e.el7.src as a component of Red Hat OpenShift Container Platform 4.8
  • cri-o-0:1.21.2-8.rhaos4.8.git8d4264e.el7.x86_64 as a component of Red Hat OpenShift Container Platform 4.8
  • cri-o-0:1.21.2-8.rhaos4.8.git8d4264e.el8.ppc64le as a component of Red Hat OpenShift Container Platform 4.8
  • cri-o-0:1.21.2-8.rhaos4.8.git8d4264e.el8.s390x as a component of Red Hat OpenShift Container Platform 4.8
  • cri-o-0:1.21.2-8.rhaos4.8.git8d4264e.el8.src as a component of Red Hat OpenShift Container Platform 4.8
  • cri-o-0:1.21.2-8.rhaos4.8.git8d4264e.el8.x86_64 as a component of Red Hat OpenShift Container Platform 4.8
  • cri-o-debuginfo-0:1.21.2-8.rhaos4.8.git8d4264e.el7.x86_64 as a component of Red Hat OpenShift Container Platform 4.8
  • cri-o-debuginfo-0:1.21.2-8.rhaos4.8.git8d4264e.el8.ppc64le as a component of Red Hat OpenShift Container Platform 4.8
  • cri-o-debuginfo-0:1.21.2-8.rhaos4.8.git8d4264e.el8.s390x as a component of Red Hat OpenShift Container Platform 4.8
  • cri-o-debuginfo-0:1.21.2-8.rhaos4.8.git8d4264e.el8.x86_64 as a component of Red Hat OpenShift Container Platform 4.8
  • cri-o-debugsource-0:1.21.2-8.rhaos4.8.git8d4264e.el8.ppc64le as a component of Red Hat OpenShift Container Platform 4.8
  • cri-o-debugsource-0:1.21.2-8.rhaos4.8.git8d4264e.el8.s390x as a component of Red Hat OpenShift Container Platform 4.8
  • cri-o-debugsource-0:1.21.2-8.rhaos4.8.git8d4264e.el8.x86_64 as a component of Red Hat OpenShift Container Platform 4.8
  • ignition-0:2.9.0-7.rhaos4.8.el8.ppc64le as a component of Red Hat OpenShift Container Platform 4.8
  • ignition-0:2.9.0-7.rhaos4.8.el8.s390x as a component of Red Hat OpenShift Container Platform 4.8
  • ignition-0:2.9.0-7.rhaos4.8.el8.src as a component of Red Hat OpenShift Container Platform 4.8
  • ignition-0:2.9.0-7.rhaos4.8.el8.x86_64 as a component of Red Hat OpenShift Container Platform 4.8
  • ignition-debuginfo-0:2.9.0-7.rhaos4.8.el8.ppc64le as a component of Red Hat OpenShift Container Platform 4.8
  • ignition-debuginfo-0:2.9.0-7.rhaos4.8.el8.s390x as a component of Red Hat OpenShift Container Platform 4.8
  • ignition-debuginfo-0:2.9.0-7.rhaos4.8.el8.x86_64 as a component of Red Hat OpenShift Container Platform 4.8
  • ignition-debugsource-0:2.9.0-7.rhaos4.8.el8.ppc64le as a component of Red Hat OpenShift Container Platform 4.8
  • ignition-debugsource-0:2.9.0-7.rhaos4.8.el8.s390x as a component of Red Hat OpenShift Container Platform 4.8
  • ignition-debugsource-0:2.9.0-7.rhaos4.8.el8.x86_64 as a component of Red Hat OpenShift Container Platform 4.8
  • ignition-validate-0:2.9.0-7.rhaos4.8.el8.ppc64le as a component of Red Hat OpenShift Container Platform 4.8
  • ignition-validate-0:2.9.0-7.rhaos4.8.el8.s390x as a component of Red Hat OpenShift Container Platform 4.8
  • +26 more not shown

✅ Remediation

For OpenShift Container Platform 4.8 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.openshift.com/container-platform/4.8/release_notes/ocp-4-8-release-notes.html Details on how to access this content are available at https://docs.openshift.com/container-platform/4.8/updating/updating-cluster-cli.html Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

🔗 References (10)