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RedHat Alert

3014
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

Most Viewed Warnings

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Red Hat Alert

● High

حملات تصيدية تستهدف مايكروسوفت تيمز (Microsoft Teams)

● High

Warning Date

Severity Level

Warning Number

Target Sector

13 March, 2022

● High

2022-4517

All

Description:

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

  • .NET 6.0 on RHEL 7
    • dotNET on RHEL (for RHEL Server) 1 x86_64
    • dotNET on RHEL (for RHEL Workstation) 1 x86_64
    • dotNET on RHEL (for RHEL Compute Node) 1 x86_64
  • kernel
    • 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 CodeReady Linux Builder for x86_64 - Extended Update Support 8.4 x86_64
    • Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 8.4 ppc64le
    • Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 8.4 aarch64
  • .NET 5.0
    • Red Hat Enterprise Linux for x86_64 8 x86_64
    • Red Hat CodeReady Linux Builder for x86_64 8 x86_64
  • .NET Core 3.1 on RHEL 7
    • dotNET on RHEL (for RHEL Server) 1 x86_64
    • dotNET on RHEL (for RHEL Workstation) 1 x86_64
    • dotNET on RHEL (for RHEL Compute Node) 1 x86_64
  • .NET 5.0 on RHEL 7
    • dotNET on RHEL (for RHEL Server) 1 x86_64
    • dotNET on RHEL (for RHEL Workstation) 1 x86_64
    • dotNET on RHEL (for RHEL Compute Node) 1 x86_64
  • .NET Core 3.1
    • Red Hat Enterprise Linux for x86_64 8 x86_64
    • Red Hat CodeReady Linux Builder for x86_64 8 x86_64
  • .NET 6.0
    • 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 ARM 64 8 aarch64
  • kernel
    • Red Hat Virtualization Host 4 for RHEL 8 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 CodeReady Linux Builder for x86_64 8 x86_64
    • Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le
    • Red Hat CodeReady Linux Builder for ARM 64 8 aarch64
  • firefox
    • 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

Threats:

An attacker could exploit these vulnerabilities by:

  • Buffer overflow (stack = heap)
  • Denial of service attack (DoS)

Best practice and Recommendations:

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

Last updated at 13 March, 2022

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