Red Hat Bug Fix Advisory: OpenShift Container Platform 4.20.4 bug fix update
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 container images for Red Hat OpenShift Container Platform 4.20.4. See the following advisory for the RPM packages for this release: https://access.redhat.com/errata/RHBA-2025:21223 Space precludes documenting all of the container images in this advisory. See the following Release Notes documentation, which will be updated shortly for this release, for details about these changes: https://docs.redhat.com/en/documentation/openshift_container_platform/4.20/html/release_notes/
AI Analysis
Technical Summary
This advisory addresses three security vulnerabilities in the runc component used by Red Hat OpenShift Container Platform: CVE-2025-31133 involves container escape via 'masked path' abuse due to mount race conditions; CVE-2025-52565 involves container escape with malicious configuration exploiting /dev/console mount and related race conditions; CVE-2025-52881 involves container escape and denial of service through arbitrary write gadgets and procfs write redirects in opencontainers/selinux. These vulnerabilities affect OpenShift Container Platform versions prior to 4.14.61 and 4.16.55. Red Hat has released updated RPM packages and container images to fix these issues. The advisory includes detailed upgrade instructions and references to CVE pages for further information.
Potential Impact
Successful exploitation of these vulnerabilities could allow an attacker to escape container isolation, potentially gaining unauthorized access to the host system or causing denial of service. This compromises the security boundary between containers and the host, undermining container security guarantees.
Mitigation Recommendations
Red Hat has released official security updates in OpenShift Container Platform versions 4.14.61 and 4.16.55 that fix these vulnerabilities. Users should upgrade their OpenShift clusters to these versions using the OpenShift CLI or web console following Red Hat's documented upgrade procedures. No additional mitigation is required beyond applying these updates.
Red Hat Bug Fix Advisory: OpenShift Container Platform 4.20.4 bug fix update
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 container images for Red Hat OpenShift Container Platform 4.20.4. See the following advisory for the RPM packages for this release: https://access.redhat.com/errata/RHBA-2025:21223 Space precludes documenting all of the container images in this advisory. See the following Release Notes documentation, which will be updated shortly for this release, for details about these changes: https://docs.redhat.com/en/documentation/openshift_container_platform/4.20/html/release_notes/
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory addresses three security vulnerabilities in the runc component used by Red Hat OpenShift Container Platform: CVE-2025-31133 involves container escape via 'masked path' abuse due to mount race conditions; CVE-2025-52565 involves container escape with malicious configuration exploiting /dev/console mount and related race conditions; CVE-2025-52881 involves container escape and denial of service through arbitrary write gadgets and procfs write redirects in opencontainers/selinux. These vulnerabilities affect OpenShift Container Platform versions prior to 4.14.61 and 4.16.55. Red Hat has released updated RPM packages and container images to fix these issues. The advisory includes detailed upgrade instructions and references to CVE pages for further information.
Potential Impact
Successful exploitation of these vulnerabilities could allow an attacker to escape container isolation, potentially gaining unauthorized access to the host system or causing denial of service. This compromises the security boundary between containers and the host, undermining container security guarantees.
Mitigation Recommendations
Red Hat has released official security updates in OpenShift Container Platform versions 4.14.61 and 4.16.55 that fix these vulnerabilities. Users should upgrade their OpenShift clusters to these versions using the OpenShift CLI or web console following Red Hat's documented upgrade procedures. No additional mitigation is required beyond applying these updates.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:0995
- Cve Count
- 3
- Additional Cves
- ["CVE-2025-52565","CVE-2025-52881"]
- Cvss Version
- null
Threat ID: 6a160978e29bf47b50644204
Added to database: 05/26/2026, 20:58:32 UTC
Last enriched: 08/07/2026, 01:40:29 UTC
Last updated: 08/10/2026, 16:28:26 UTC
Views: 81
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