Description:

Red Hat has released a security update to address a vulnerabilities in the following product:

• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.1 x86_64
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.1 ppc64le
• Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.1 ppc64le
• Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.1 x86_64
• Red Hat OpenShift Container Platform 4.7 for RHEL 8 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
• 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
• Red Hat Openshift Serverless 1 x86_64
• Red Hat OpenShift Serverless for IBM Power, little endian 1 ppc64le
• Red Hat OpenShift Serverless for IBM Z and LinuxONE 1 s390x
• Red Hat Openshift Serverless 1 x86_6

Threats:

Attacker could exploit these vulnerabilities by doing the following:

• Execute arbitrary code

Best practice and Recommendations:

The CERT team encourages users to review Red Hat security advisory and apply the necessary update:

• https://access.redhat.com/errata/RHSA-2021:2099
• https://access.redhat.com/errata/RHSA-2021:1561
• https://access.redhat.com/errata/RHSA-2021:1563
• https://access.redhat.com/errata/RHSA-2021:1562
• https://access.redhat.com/errata/RHSA-2021:2095
• https://access.redhat.com/errata/RHSA-2021:2093