Skip to content
ATO Pathways
  Log In

Red Hat Enterprise Linux 9 Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • RHEL 9 must be configured to prevent unrestricted mail relaying.

    <VulnDiscussion>If unrestricted mail relaying is permitted, unauthorized senders could use this host as a mail relay for the purpose of sendi...
    Rule Medium Severity
    Show

  • SRG-OS-000046-GPOS-00022

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 SSH daemon must display the date and time of the last successful account logon upon an SSH logon.

    &lt;VulnDiscussion&gt;Providing users feedback on when account accesses last occurred facilitates user recognition and reporting of unauthorized ac...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 system accounts must not have an interactive login shell.

    &lt;VulnDiscussion&gt;Ensuring shells are not given to system accounts upon login makes it more difficult for attackers to make use of system accou...
    Rule Medium Severity
    Show

  • SRG-OS-000123-GPOS-00064

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 must configure the use of the pam_faillock.so module in the /etc/pam.d/password-auth file.

    &lt;VulnDiscussion&gt;If the pam_faillock.so module is not loaded, the system will not correctly lockout accounts to prevent password guessing atta...
    Rule Medium Severity
    Show

  • SRG-OS-000069-GPOS-00037

    <GroupDescription></GroupDescription>
    Group
    Show

  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
    Show

  • SRG-OS-000206-GPOS-00084

    <GroupDescription></GroupDescription>
    Group
    Show

  • SRG-OS-000072-GPOS-00040

    <GroupDescription></GroupDescription>
    Group
    Show

  • SRG-OS-000375-GPOS-00160

    <GroupDescription></GroupDescription>
    Group
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • SRG-OS-000047-GPOS-00023

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 /etc/gshadow file must be group-owned by root.

    &lt;VulnDiscussion&gt;The "/etc/gshadow" file contains group password hashes. Protection of this file is critical for system security.&lt;/VulnDisc...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 /boot/grub2/grub.cfg file must be group-owned by root.

    &lt;VulnDiscussion&gt;The "root" group is a highly privileged group. Furthermore, the group-owner of this file should not have any access privilege...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 /boot/grub2/grub.cfg file must be owned by root.

    &lt;VulnDiscussion&gt;The " /boot/grub2/grub.cfg" file stores sensitive system configuration. Protection of this file is critical for system securi...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 /etc/gshadow file must have mode 0000 or less permissive to prevent unauthorized access.

    &lt;VulnDiscussion&gt;The "/etc/gshadow" file contains group password hashes. Protection of this file is critical for system security.&lt;/VulnDisc...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 /etc/gshadow- file must be owned by root.

    &lt;VulnDiscussion&gt;The "/etc/gshadow-" file is a backup of "/etc/gshadow", and as such, contains group password hashes. Protection of this file ...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 /etc/gshadow- file must be group-owned by root.

    &lt;VulnDiscussion&gt;The "/etc/gshadow-" file is a backup of "/etc/gshadow", and as such, contains group password hashes. Protection of this file ...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 /etc/passwd file must be owned by root.

    &lt;VulnDiscussion&gt;The "/etc/passwd" file contains information about the users that are configured on the system. Protection of this file is cri...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 /etc/passwd file must be group-owned by root.

    &lt;VulnDiscussion&gt;The "/etc/passwd" file contains information about the users that are configured on the system. Protection of this file is cri...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • 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
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • 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
    Show

  • SRG-OS-000023-GPOS-00006

    <GroupDescription></GroupDescription>
    Group
    Show

  • 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
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • 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
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • 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
    Show

  • SRG-OS-000269-GPOS-00103

    <GroupDescription></GroupDescription>
    Group
    Show

  • 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
    Show

  • SRG-OS-000324-GPOS-00125

    <GroupDescription></GroupDescription>
    Group
    Show

  • 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
    Show

  • SRG-OS-000324-GPOS-00125

    <GroupDescription></GroupDescription>
    Group
    Show

  • 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
    Show

  • SRG-OS-000324-GPOS-00125

    <GroupDescription></GroupDescription>
    Group
    Show

  • 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
    Show

  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
    Group
    Show

Node 2

siemur/test-space

The content of the drawer really is up to you. It could have form fields, definition lists, text lists, labels, charts, progress bars, etc. Spacing recommendation is 24px margins. You can put tabs in here, and can also make the drawer scrollable.

Capacity
Modules