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Red Hat Enterprise Linux 9 Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-OS-000037-GPOS-00015

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 must audit all uses of the usermod command.

    &lt;VulnDiscussion&gt;Without generating audit record specific to the security and mission needs of the organization, it would be difficult to esta...
    Rule Medium Severity
    Show

  • SRG-OS-000037-GPOS-00015

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 must generate audit records for all account creations, modifications, disabling, and termination events that affect /etc/shadow.

    &lt;VulnDiscussion&gt;In addition to auditing new user and group accounts, these watches will alert the system administrator(s) to any modification...
    Rule Medium Severity
    Show

  • SRG-OS-000392-GPOS-00172

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 must audit all uses of the mount command.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
    Show

  • SRG-OS-000477-GPOS-00222

    <GroupDescription></GroupDescription>
    Group
    Show

  • Successful/unsuccessful uses of the init command in RHEL 9 must generate an audit record.

    &lt;VulnDiscussion&gt;Misuse of the init command may cause availability issues for the system.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/Fal...
    Rule Medium Severity
    Show

  • SRG-OS-000477-GPOS-00222

    <GroupDescription></GroupDescription>
    Group
    Show

  • Successful/unsuccessful uses of the poweroff command in RHEL 9 must generate an audit record.

    &lt;VulnDiscussion&gt;Misuse of the poweroff command may cause availability issues for the system.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;...
    Rule Medium Severity
    Show

  • SRG-OS-000477-GPOS-00222

    <GroupDescription></GroupDescription>
    Group
    Show

  • Successful/unsuccessful uses of the reboot command in RHEL 9 must generate an audit record.

    &lt;VulnDiscussion&gt;Misuse of the reboot command may cause availability issues for the system.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/F...
    Rule Medium Severity
    Show

  • SRG-OS-000477-GPOS-00222

    <GroupDescription></GroupDescription>
    Group
    Show

  • Successful/unsuccessful uses of the shutdown command in RHEL 9 must generate an audit record.

    &lt;VulnDiscussion&gt;Misuse of the shutdown command may cause availability issues for the system.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;...
    Rule Medium Severity
    Show

  • SRG-OS-000037-GPOS-00015

    <GroupDescription></GroupDescription>
    Group
    Show

  • Successful/unsuccessful uses of the umount system call in RHEL 9 must generate an audit record.

    &lt;VulnDiscussion&gt;The changing of file permissions could indicate that a user is attempting to gain access to information that would otherwise ...
    Rule Medium Severity
    Show

  • SRG-OS-000037-GPOS-00015

    <GroupDescription></GroupDescription>
    Group
    Show

  • SRG-OS-000033-GPOS-00014

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 must generate audit records for all account creations, modifications, disabling, and termination events that affect /var/log/faillock.

    &lt;VulnDiscussion&gt;Without generating audit records specific to the security and mission needs of the organization, it would be difficult to est...
    Rule Medium Severity
    Show

  • SRG-OS-000037-GPOS-00015

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 must generate audit records for all account creations, modifications, disabling, and termination events that affect /var/log/lastlog.

    &lt;VulnDiscussion&gt;Without generating audit records specific to the security and mission needs of the organization, it would be difficult to est...
    Rule Medium Severity
    Show

  • SRG-OS-000392-GPOS-00172

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 must generate audit records for all account creations, modifications, disabling, and termination events that affect /var/log/tallylog.

    &lt;VulnDiscussion&gt;Without generating audit records specific to the security and mission needs of the organization, it would be difficult to est...
    Rule Medium Severity
    Show

  • SRG-OS-000046-GPOS-00022

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 must take appropriate action when a critical audit processing failure occurs.

    &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
    Show

  • SRG-OS-000462-GPOS-00206

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 audit system must protect logon UIDs from unauthorized change.

    &lt;VulnDiscussion&gt;If modification of login user identifiers (UIDs) is not prevented, they can be changed by nonprivileged users and make auditi...
    Rule Medium Severity
    Show

  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 audit system must protect auditing rules from unauthorized change.

    &lt;VulnDiscussion&gt;Unauthorized disclosure of audit records can reveal system and configuration data to attackers, thus compromising its confide...
    Rule Medium Severity
    Show

  • RHEL 9 must enable FIPS mode.

    &lt;VulnDiscussion&gt;Use of weak or untested encryption algorithms undermines the purposes of utilizing encryption to protect data. The operating ...
    Rule High Severity
    Show

  • SRG-OS-000073-GPOS-00041

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 must employ FIPS 140-3 approved cryptographic hashing algorithms for all stored passwords.

    &lt;VulnDiscussion&gt;The system must use a strong hashing algorithm to store the password. Passwords need to be protected at all times, and encry...
    Rule Medium Severity
    Show

  • SRG-OS-000033-GPOS-00014

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 IP tunnels must use FIPS 140-2/140-3 approved cryptographic algorithms.

    &lt;VulnDiscussion&gt;Overriding the system crypto policy makes the behavior of the Libreswan service violate expectations, and makes system config...
    Rule Medium Severity
    Show

  • SRG-OS-000073-GPOS-00041

    <GroupDescription></GroupDescription>
    Group
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  • RHEL 9 pam_unix.so module must be configured in the password-auth file to use a FIPS 140-3 approved cryptographic hashing algorithm for system authentication.

    &lt;VulnDiscussion&gt;Unapproved mechanisms that are used for authentication to the cryptographic module are not verified and; therefore, cannot be...
    Rule Medium Severity
    Show

  • SRG-OS-000396-GPOS-00176

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 must have the crypto-policies package installed.

    &lt;VulnDiscussion&gt;Centralized cryptographic policies simplify applying secure ciphers across an operating system and the applications that run ...
    Rule Medium Severity
    Show

  • SRG-OS-000396-GPOS-00176

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 crypto policy must not be overridden.

    &lt;VulnDiscussion&gt;Centralized cryptographic policies simplify applying secure ciphers across an operating system and the applications that run ...
    Rule Medium Severity
    Show

  • SRG-OS-000120-GPOS-00061

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 must implement DOD-approved TLS encryption in the GnuTLS package.

    &lt;VulnDiscussion&gt;Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Transport L...
    Rule High Severity
    Show

  • SRG-OS-000250-GPOS-00093

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 must implement DOD-approved encryption in the OpenSSL package.

    &lt;VulnDiscussion&gt;Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Remote acce...
    Rule Medium Severity
    Show

  • SRG-OS-000250-GPOS-00093

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 must implement DOD-approved TLS encryption in the OpenSSL package.

    &lt;VulnDiscussion&gt;Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Remote acce...
    Rule Medium Severity
    Show

  • SRG-OS-000396-GPOS-00176

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 must implement a systemwide encryption policy.

    &lt;VulnDiscussion&gt;Centralized cryptographic policies simplify applying secure ciphers across an operating system and the applications that run ...
    Rule Medium Severity
    Show

  • SRG-OS-000423-GPOS-00187

    <GroupDescription></GroupDescription>
    Group
    Show

  • RHEL 9 must implement DOD-approved encryption in the bind package.

    &lt;VulnDiscussion&gt;Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Cryptograph...
    Rule Medium Severity
    Show

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