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Successful/unsuccessful modifications to the faillock log file in RHEL 8 must generate an audit record.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-230466RHEL-08-030590SV-230466r1017258_ruleCCI-000169medium
Description
Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one. Audit records can be generated from various components within the information system (e.g., module or policy filter). The list of audited events is the set of events for which audits are to be generated. This set of events is typically a subset of the list of all events for which the system is capable of generating audit records. DoD has defined the list of events for which RHEL 8 will provide an audit record generation capability as the following: 1) Successful and unsuccessful attempts to access, modify, or delete privileges, security objects, security levels, or categories of information (e.g., classification levels); 2) Access actions, such as successful and unsuccessful logon attempts, privileged activities or other system-level access, starting and ending time for user access to the system, concurrent logons from different workstations, successful and unsuccessful accesses to objects, all program initiations, and all direct access to the information system; 3) All account creations, modifications, disabling, and terminations; and 4) All kernel module load, unload, and restart actions. From "Pam_Faillock man" pages: Note the default directory that pam_faillock uses is usually cleared on system boot so the access will be reenabled after system reboot. If that is undesirable a different tally directory must be set with the "dir" option. Satisfies: SRG-OS-000062-GPOS-00031, SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215, SRG-OS-000473-GPOS-00218
STIGDate
Red Hat Enterprise Linux 8 Security Technical Implementation Guide2026-05-20

Related Frameworks

1 mapping across 5 frameworks
SCF0 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (15) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

END-01Endpoint Device Management (EDM)
1.00
END-04Malicious Code Protection (Anti-Malware)
1.00
END-06Endpoint File Integrity Monitoring (FIM)
1.00
MON-01Continuous Monitoring
1.00
MON-01.1Intrusion Detection & Prevention Systems (IDS & IPS)
1.00
MON-01.3Inbound & Outbound Communications Traffic
1.00
MON-01.4System Generated Alerts
1.00
MON-01.7File Integrity Monitoring (FIM)
1.00
MON-01.8Security Event Monitoring
1.00
MON-03Content of Event Logs
1.00

+5 more (top 10 by confidence shown)

NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (57) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

AC-16Security and Privacy Attributes
1.00
AC-17(1)Monitoring and Control
1.00
AC-2(1)Automated System Account Management
1.00
AC-2(11)Usage Conditions
1.00
AC-2(3)Disable Accounts
1.00
AC-2(4)Automated Audit Actions
1.00
AC-3Access Enforcement
1.00
AC-3(3)Mandatory Access Control
1.00
AC-6(9)Log Use of Privileged Functions
1.00
AC-7Unsuccessful Logon Attempts
1.00

+47 more (top 10 by confidence shown)

NIST 800-1710 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (2) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

3.3.1
1.00
3.3.2
1.00
CCI1 mapping
CCI-000169
1.00
NIST CSF 2.00 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (4) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

DE.CM-01
1.00
DE.CM-03
1.00
DE.CM-09
1.00
PR.PS-04
1.00

Who does this work

12 NICE work roles and 9 EC-Council certifications.

This is an inference across published mappings, not a single claim by anyone. This check maps to a control, which maps to a Cybersecurity Framework outcome, which NIST assigns to the work roles below. EC-Council separately maps its certifications to those same roles.

A certification prepares someone for a role. It is not evidence that a holder is qualified, and neither NIST nor EC-Council has stated that any certification here addresses this check.

Work-role assignments published by NIST (NICE Framework Components 2.2.0 and the CSF 2.0 OLIR crosswalk). Certification mappings published by EC-Council.

Details

Check Text (C-230466r1017258_chk)

Verify RHEL 8 generates an audit record when successful/unsuccessful modifications to the "faillock" file occur. First, determine where the faillock tallies are stored with the following commands: For RHEL versions 8.0 and 8.1: $ sudo grep -i pam_faillock.so /etc/pam.d/system-auth auth required pam_faillock.so preauth dir=/var/log/faillock silent deny=3 fail_interval=900 even_deny_root For RHEL versions 8.2 and newer: $ sudo grep dir /etc/security/faillock.conf dir=/var/log/faillock Using the location of the faillock log file, check that the following calls are being audited by performing the following command to check the file system rules in "/etc/audit/audit.rules": $ sudo grep -w faillock /etc/audit/audit.rules -w /var/log/faillock -p wa -k logins If the command does not return a line, or the line is commented out, this is a finding.

Fix Text (F-33110r568145_fix)

Configure the audit system to generate an audit event for any successful/unsuccessful modifications to the "faillock" file by adding or updating the following rules in the "/etc/audit/rules.d/audit.rules" file: -w /var/log/faillock -p wa -k logins The audit daemon must be restarted for the changes to take effect.