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I - Mission Critical Sensitive

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must be a vendor-supported release.

    &lt;VulnDiscussion&gt;An operating system release is considered "supported" if the vendor continues to provide security patches for the product. Wi...
    Rule High Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 vendor packaged system security patches and updates must be installed and up to date.

    &lt;VulnDiscussion&gt;Installing software updates is a fundamental mitigation against the exploitation of publicly known vulnerabilities. If the mo...
    Rule Medium Severity
  • SRG-OS-000023-GPOS-00006

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must display the Standard Mandatory DOD Notice and Consent Banner before granting local or remote access to the system via a command line user logon.

    &lt;VulnDiscussion&gt;Display of a standardized and approved use notification before granting access to the operating system ensures privacy and se...
    Rule Medium Severity
  • SRG-OS-000191-GPOS-00080

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must implement the Endpoint Security for Linux Threat Prevention tool.

    &lt;VulnDiscussion&gt;Without the use of automated mechanisms to scan for security flaws on a continuous and/or periodic basis, the operating syste...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • The graphical display manager must not be the default target on RHEL 9 unless approved.

    &lt;VulnDiscussion&gt;Unnecessary service packages must not be installed to decrease the attack surface of the system. Graphical display managers h...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 must enable the hardware random number generator entropy gatherer service.

    &lt;VulnDiscussion&gt;The most important characteristic of a random number generator is its randomness, namely its ability to deliver random number...
    Rule Low Severity
  • SRG-OS-000269-GPOS-00103

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 systemd-journald service must be enabled.

    &lt;VulnDiscussion&gt;In the event of a system failure, RHEL 9 must preserve any information necessary to determine cause of failure and any inform...
    Rule Medium Severity
  • SRG-OS-000324-GPOS-00125

    <GroupDescription></GroupDescription>
    Group
  • The systemd Ctrl-Alt-Delete burst key sequence in RHEL 9 must be disabled.

    &lt;VulnDiscussion&gt;A locally logged-on user who presses Ctrl-Alt-Delete when at the console can reboot the system. If accidentally pressed, as c...
    Rule High Severity
  • SRG-OS-000324-GPOS-00125

    <GroupDescription></GroupDescription>
    Group
  • The x86 Ctrl-Alt-Delete key sequence must be disabled on RHEL 9.

    &lt;VulnDiscussion&gt;A locally logged-on user who presses Ctrl-Alt-Delete when at the console can reboot the system. If accidentally pressed, as c...
    Rule High Severity
  • SRG-OS-000324-GPOS-00125

    <GroupDescription></GroupDescription>
    Group
  • RHEL 9 debug-shell systemd service must be disabled.

    &lt;VulnDiscussion&gt;The debug-shell requires no authentication and provides root privileges to anyone who has physical access to the machine. Whi...
    Rule Medium Severity

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