Red Hat Updates
1723Warning Date
Severity Level
Warning Number
Target Sector
27 July, 2021
● High
2021-3256
All
Description:
Red Hat has released security updates to address several vulnerabilities in the following products:
- OpenShift Container Platform 4.7.21
- 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
- thunderbird
- Red Hat Enterprise Linux for x86_64 8 x86_64
- 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 8 s390x
- Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.4 s390x
- Red Hat Enterprise Linux for Power, little endian 8 ppc64le
- 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 8 aarch64
- 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 - 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
Threats:
An attacker could exploit these vulnerabilities by doing the following:
- Buffer overflow
- Execute arbitrary code
Best practice and Recommendations:
The CERT team encourages users to review Red Hat security advisory and apply the necessary updates: