Description:

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

• Red Hat Virtualization 4 for RHEL 8 x86_64
• Red Hat Virtualization Host 4 for RHEL 8 x86_64
• Red Hat Virtualization for IBM Power LE 4 for RHEL 8 ppc64le
• Red Hat Virtualization Manager 4.4 x86_64
• 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 Enterprise Linux Server 7 x86_64
• Red Hat Enterprise Linux Workstation 7 x86_64
• Red Hat Enterprise Linux Desktop 7 x86_64
• Red Hat Enterprise Linux for Power, little endian 7 ppc64le
• Red Hat OpenShift Container Platform 4.5 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform 4.5 for RHEL 7 x86_64
• Red Hat OpenShift Container Platform for Power 4.5 for RHEL 8 ppc64le
• Red Hat OpenShift Container Platform for Power 4.5 for RHEL 7 ppc64le
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.5 for RHEL 8 s390x
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.5 for RHEL 7 s390x
• Red Hat Enterprise Linux for x86_64 8 x86_64
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux for ARM 64 8 aarch64
• JBoss Enterprise Web Server 5 for RHEL 8 x86_64
• JBoss Enterprise Web Server 5 for RHEL 7 x86_64
• JBoss Enterprise Web Server Text-Only Advisories x86_64
• Red Hat Enterprise Linux for x86_64 8 x86_64
• Red Hat Enterprise Linux for IBM z Systems 8 s390x
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux for ARM 64 8 aarch64
• Red Hat JBoss Core Services 1 for RHEL 7 x86_64
• Red Hat JBoss Core Services Text-Only Advisories x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.2 x86_64
• Red Hat Enterprise Linux Server - AUS 8.2 x86_64
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.2 ppc64le
• Red Hat Enterprise Linux Server - TUS 8.2 x86_64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.2 aarch64
• Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.2 ppc64le
• Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.2 x86_64
• JBoss Enterprise Web Server 3 for RHEL 7 x86_64
• JBoss Enterprise Web Server Text-Only Advisories x86_64
• Red Hat Enterprise Linux for x86_64 8 x86_64
• Red Hat Enterprise Linux for IBM z Systems 8 s390x
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
• Red Hat Enterprise

Threats:

Attacker could exploit these vulnerabilities by doing the following:

• Denial of service attack (DoS)
• Cross-site scripting (XSS)
• Buffer overflow

Best practice and Recommendations:

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

• https://access.redhat.com/errata/RHSA-2021:1184
• https://access.redhat.com/errata/RHSA-2021:1169
• https://access.redhat.com/errata/RHSA-2021:1186
• https://access.redhat.com/errata/RHSA-2021:1189
• https://access.redhat.com/errata/RHSA-2021:1190
• https://access.redhat.com/errata/RHSA-2021:1192
• https://access.redhat.com/errata/RHSA-2021:1016
• https://access.redhat.com/errata/RHSA-2021:1193
• https://access.redhat.com/errata/RHSA-2021:1195
• https://access.redhat.com/errata/RHSA-2021:1196
• https://access.redhat.com/errata/RHSA-2021:1197
• https://access.redhat.com/errata/RHSA-2021:1199
• https://access.redhat.com/errata/RHSA-2021:1200
• https://access.redhat.com/errata/RHSA-2021:1201
• https://access.redhat.com/errata/RHSA-2021:1202
• https://access.redhat.com/errata/RHSA-2021:1203
• https://access.redhat.com/errata/RHSA-2021:1206