Red Hat Updates
2379Warning Date
Severity Level
Warning Number
Target Sector
2 November, 2021
● High
2021-3786
All
Description:
Red Hat has released security updates to address several vulnerabilities in the following products:
- Red Hat Software Collections (for RHEL Server) 1 for RHEL 7.7 x86_64
- Red Hat Software Collections (for RHEL Server for System Z) 1 for RHEL 7.7 s390x
- Red Hat Software Collections (for RHEL Server for IBM Power LE) 1 for RHEL 7.7 ppc64le
- Red Hat Software Collections (for RHEL Server for IBM Power) 1 for RHEL 7.7 ppc64
- Red Hat Software Collections (for RHEL Server) 1 for RHEL 7 x86_64
- Red Hat Software Collections (for RHEL Server for System Z) 1 for RHEL 7 s390x
- Red Hat Software Collections (for RHEL Server for IBM Power LE) 1 for RHEL 7 ppc64le
- Red Hat Software Collections (for RHEL Server for IBM Power) 1 for RHEL 7 ppc64
- Red Hat Software Collections (for RHEL Workstation) 1 for RHEL 7 x86_64
- Red Hat Enterprise Linux Server - AUS 7.2 x86_64
- Red Hat Enterprise Linux Server - AUS 7.3 x86_6
- Red Hat Enterprise Linux Server - AUS 7.4 x86_64
- Red Hat Enterprise Linux Server - TUS 7.6 x86_64
- Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 7.6 ppc64le
- Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.6 x86_64
- Red Hat Enterprise Linux Server - AUS 7.7 x86_64
- Red Hat Enterprise Linux Server - TUS 7.7 x86_64
- Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 7.7 ppc64le
- Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.7 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 Scientific Computing 7 x86_64
- Red Hat Enterprise Linux for Power, little endian 7 ppc64le
- Red Hat Virtualization Host 4 for RHEL 8 x86_64
- Red Hat Enterprise Linux Server - TUS 8.4 x86_64
- 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
Threats:
An attacker could exploit these vulnerabilities by doing the following:
- Unauthorized disclosure of information
- Bypass security restrictions
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-2021:4038
- https://access.redhat.com/errata/RHSA-2021:4037
- https://access.redhat.com/errata/RHSA-2021:4036
- https://access.redhat.com/errata/RHSA-2021:4035
- https://access.redhat.com/errata/RHSA-2021:4034
- https://access.redhat.com/errata/RHSA-2021:4033
- https://access.redhat.com/errata/RHSA-2021:4058
- https://access.redhat.com/errata/RHSA-2021:4057
- https://access.redhat.com/errata/RHSA-2021:4056
- https://access.redhat.com/errata/RHSA-2021:4044
- https://access.redhat.com/errata/RHSA-2021:4042