QID 770103

QID 770103: Red Hat OpenShift Container Platform 4.7 Security Update (RHSA-2021-2555)

Red Hat openshift container platform is Red Hat's cloud computing kubernetes application platform solution designed for on-premise or private cloud deployments.

Security Fix(es):
  • polkit: local privilege escalation using polkit_system_bus_name_get_creds_sync() (cve-2021-3560)
  • dhcp: stack-based buffer overflow when parsing statements with colon-separated hex digits in config or lease files in dhcpd and dhclient (cve-2021-25217)

Affected Products:

  • Red Hat openshift container platform 4.7 for rhel 8 x86_64
  • Red Hat openshift container platform 4.7 for rhel 7 x86_64
  • Red Hat openshift container platform for power 4.7 for rhel 8 ppc64le
  • Red Hat openshift container platform for ibm z and linuxone 4.7 for rhel 8 s390x



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

On successful exploitation, it could allow an attacker to execute code.

  • CVSS V3 rated as High - 7.4 severity.
  • CVSS V2 rated as Medium - 3.3 severity.
    • Solution
    Upgrade to the latest packages which contain a patch. Refer to Applying Package Updates to RHEL system for details.

    Refer to Red Hat security advisory RHSA-2021:2555 to address this issue and obtain more information.

    Vendor References

    CVEs related to QID 770103

    CVE-2021-3560 | CVE-2021-25217 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2021:2555 Red Hat Enterprise Linux CoreOS URL Logo access.redhat.com/errata/RHSA-2021:2555
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