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AlmaLinux OS 9 must take action when allocated audit record storage volume reaches 75 percent of the repository maximum audit record storage capacity.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-269521ALMA-09-053480SV-269521r1101829_ruleCCI-001855medium
Description
If security personnel are not notified immediately when storage volume reaches a maximum of 75 percent utilization, they are unable to plan for audit record storage capacity expansion. The notification can be set to trigger at lower utilization thresholds at the information system security officer's (ISSO's) discretion.
STIGDate
Cloud Linux AlmaLinux OS 9 Security Technical Implementation Guide2026-05-22

Related Frameworks

1 mapping across 3 frameworks
SCF0 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (1) 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.

MON-05.2Event Log Storage Capacity Alerting
1.00
NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (11) 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.

AU-12Audit Record Generation
1.00
AU-3Content of Audit Records
1.00
AU-3(1)Additional Audit Information
1.00
AU-4Audit Log Storage Capacity
1.00
AU-4(1)Transfer to Alternate Storage
1.00
AU-5Response to Audit Logging Process Failures
1.00
AU-5(1)Storage Capacity Warning
1.00
AU-5(2)Real-time Alerts
1.00
AU-7Audit Record Reduction and Report Generation
1.00
AU-9(3)Cryptographic Protection
1.00

+1 more (top 10 by confidence shown)

CCI1 mapping
CCI-001855
1.00

Details

Check Text (C-269521r1101829_chk)

Verify AlmaLinux OS 9 takes action when allocated audit record storage volume reaches 75 percent of the repository maximum audit record storage capacity with the following command: $ grep -w space_left /etc/audit/auditd.conf space_left = 25% If the value of the "space_left" keyword is not set to 25 percent or greater of the storage volume allocated to audit logs, or if the line is commented out, ask the system administrator (SA) to indicate how the system is providing real-time alerts to the SA and ISSO. If the "space_left" value is not configured to the value 25% or more, this is a finding.

Fix Text (F-73453r1101828_fix)

Configure AlmaLinux OS 9 to initiate an action to notify the SA and ISSO (at a minimum) when allocated audit record storage volume reaches (at most) 75 percent of the repository maximum audit record storage capacity by adding/modifying the following line in the /etc/audit/auditd.conf file. space_left = 25%