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Red Hat Updates

1894
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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● High

Warning Date

Severity Level

Warning Number

Target Sector

8 December, 2021

● High

2021-3993

All

Description:

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

  • nss
    • Red Hat Enterprise Linux Server - AUS 7.3 x86_64
  • rpm
    • 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
  • kpatch-patch
    • 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

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:

Last updated at 8 December, 2021

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