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Red Hat Updates

1693
Classification
These posts contain security alerts, including digital loopholes, electronic attacks, technical updates, and they are classified base on the level of severity.

● Critical

● High

● Medium

● Low

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حملات تصيدية تستهدف مايكروسوفت تيمز (Microsoft Teams)

● High

Warning Date

Severity Level

Warning Number

Target Sector

28 April, 2021

● High

2021-2840

All

Description:

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

  • kernel
    • Red Hat Enterprise Linux Server - AUS 7.3 x86_64
    • Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.6 x86_64
    • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.6 s390x
    • Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.6 ppc64
    • Red Hat Enterprise Linux EUS Compute Node 7.6 x86_64
    • Red Hat Enterprise Linux Server - AUS 7.6 x86_64
    • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.6 ppc64le
    • 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 Virtualization Host - Extended Update Support 4.2 for RHEL 7.6 x86_64
  • kpatch-patch
    • Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.6 x86_64
    • Red Hat Enterprise Linux Server - AUS 7.6 x86_64
    • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.6 ppc64le
    • 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
  • kernel-alt
    • Red Hat Enterprise Linux for Power 9 7 ppc64le
    • Red Hat Enterprise Linux for IBM System z (Structure A) 7 s390x
  • Red Hat Fuse 7.8.1
    • Red Hat JBoss Middleware Text-Only Advisories for MIDDLEWARE 1 x86_64
  • OpenShift Container Platform 4.6.26
    • Red Hat OpenShift Container Platform 4.6 for RHEL 8 x86_64
    • Red Hat OpenShift Container Platform for Power 4.6 for RHEL 8 ppc64le
    • Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.6 for RHEL 8 s390x
  • etcd
    • Red Hat Enterprise Linux Server 7 x86_64
    • Red Hat Enterprise Linux for IBM z Systems 7 s390x
    • Red Hat Enterprise Linux for Power, little endian 7 ppc64le

Threats:

Attacker could exploit these vulnerabilities by doing the following:

  • Execute arbitrary code
  • Denial of service attack (DoS)
  • Buffer overflow

Best practice and Recommendations:

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

Last updated at 28 April, 2021

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