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RHEL 8 must enable Linux audit logging for the USBGuard daemon.


Finding ID Version Rule ID IA Controls Severity
V-230470 RHEL-08-030603 SV-230470r744006_rule Low
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. If auditing is enabled late in the startup process, the actions of some startup processes may not be audited. Some audit systems also maintain state information only available if auditing is enabled before a given process is created. 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. Satisfies: SRG-OS-000062-GPOS-00031, SRG-OS-000471-GPOS-00215
Red Hat Enterprise Linux 8 Security Technical Implementation Guide 2022-06-15


Check Text ( C-33139r568156_chk )
Verify RHEL 8 enables Linux audit logging of the USBGuard daemon with the following commands:

Note: If the USBGuard daemon is not installed and enabled, this requirement is not applicable.

$ sudo grep -i auditbackend /etc/usbguard/usbguard-daemon.conf


If the "AuditBackend" entry does not equal "LinuxAudit", is missing, or the line is commented out, this is a finding.
Fix Text (F-33114r744005_fix)
Configure RHEL 8 to enable Linux audit logging of the USBGuard daemon by adding or modifying the following line in "/etc/usbguard/usbguard-daemon.conf":