Description:

Red Hat has released security updates to address several vulnerabilities in the following products:

• virt:8.2 and virt-devel:8.2
  • Red Hat Enterprise Linux Advanced Virtualization 8 x86_64
  • Red Hat Enterprise Linux Advanced Virtualization (for RHEL Server for IBM Power LE) 8 ppc64le
  • Red Hat Enterprise Linux Advanced Virtualization (for RHEL Server for ARM 64) 8 aarch64
  • Red Hat Enterprise Linux Advanced Virtualization (for RHEL Server for IBM System Z) 8 s390x
• RHV-H
  • Red Hat Virtualization 4 for RHEL 7 x86_64
  • Red Hat Virtualization Host 4 for RHEL 7 x86_64
• java-1.8.0-ibm
  • 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 IBM z Systems 7 s390x
  • Red Hat Enterprise Linux for Power, big endian 7 ppc64
  • Red Hat Enterprise Linux for Scientific Computing 7 x86_64
  • Red Hat Enterprise Linux for Power, little endian 7 ppc64le
• firefox
  • 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 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 IBM z Systems - Extended Update Support 8.2 s390x
  • 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
  • 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 IBM z Systems 7 s390x
  • Red Hat Enterprise Linux for Power, big endian 7 ppc64
  • Red Hat Enterprise Linux for Power, little endian 7 ppc64le
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.4 x86_64
  • Red Hat Enterprise Linux Server - AUS 8.4 x86_64
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.4 s390x
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.4 ppc64le
  • Red Hat Enterprise Linux Server - TUS 8.4 x86_64
  • Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.4 aarch64
  • Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.4 ppc64le
  • Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.4 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 Virtualization Host security and bug fix update [ovirt-4.4.9] Async #1
  • Red Hat Virtualization 4 for RHEL 8 x86_64
  • Red Hat Virtualization Host 4 for RHEL 8 x86_64
• Red Hat Advanced Cluster Management 2.2.10
  • Red Hat Advanced Cluster Management for Kubernetes 2 for RHEL 8 x86_64
  • Red Hat Advanced Cluster Management for Kubernetes 2 for RHEL 7 x86_64

Threats:

An attacker could exploit these vulnerabilities by doing the following:

• Denial of service attack (DoS)
• Execute arbitrary code remotely

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-2021:5036
• https://access.redhat.com/errata/RHSA-2021:5035
• https://access.redhat.com/errata/RHSA-2021:5030
• https://access.redhat.com/errata/RHSA-2021:5016
• https://access.redhat.com/errata/RHSA-2021:5014
• https://access.redhat.com/errata/RHSA-2021:5015
• https://access.redhat.com/errata/RHSA-2021:5013
• https://access.redhat.com/errata/RHSA-2021:5006
• https://access.redhat.com/errata/RHSA-2021:5038