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Red Hat Enterprise Linux 9 Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-OS-000039-GPOS-00017

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must label all offloaded audit logs before sending them to the central log server.

    &lt;VulnDiscussion&gt;Enriched logging is needed to determine who, what, and when events occur on a system. Without this, determining root cause of...
    Rule Medium Severity
  • SRG-OS-000342-GPOS-00133

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must take appropriate action when the internal event queue is full.

    &lt;VulnDiscussion&gt;The audit system should have an action setup in the event the internal event queue becomes full so that no data is lost. Inf...
    Rule Medium Severity
  • SRG-OS-000046-GPOS-00022

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 System Administrator (SA) and/or information system security officer (ISSO) (at a minimum) must be alerted of an audit processing failure event.

    &lt;VulnDiscussion&gt;It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required....
    Rule Medium Severity
  • SRG-OS-000062-GPOS-00031

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 audit system must audit local events.

    &lt;VulnDiscussion&gt;Without establishing what type of events occurred, the source of events, where events occurred, and the outcome of events, it...
    Rule Medium Severity
  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 audit logs must be group-owned by root or by a restricted logging group to prevent unauthorized read access.

    &lt;VulnDiscussion&gt;Unauthorized disclosure of audit records can reveal system and configuration data to attackers, thus compromising its confide...
    Rule Medium Severity
  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group
  • SRG-OS-000254-GPOS-00095

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 audit logs file must have mode 0600 or less permissive to prevent unauthorized access to the audit log.

    &lt;VulnDiscussion&gt;Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an orga...
    Rule Medium Severity
  • SRG-OS-000051-GPOS-00024

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must periodically flush audit records to disk to prevent the loss of audit records.

    &lt;VulnDiscussion&gt;If option "freq" is not set to a value that requires audit records being written to disk after a threshold number is reached,...
    Rule Medium Severity
  • SRG-OS-000255-GPOS-00096

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must produce audit records containing information to establish the identity of any individual or process associated with the event.

    &lt;VulnDiscussion&gt;Without establishing what type of events occurred, the source of events, where events occurred, and the outcome of events, it...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must write audit records to disk.

    &lt;VulnDiscussion&gt;Audit data should be synchronously written to disk to ensure log integrity. This setting assures that all audit event data is...
    Rule Medium Severity
  • SRG-OS-000063-GPOS-00032

    <GroupDescription></GroupDescription>
    Group

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