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AIX must allocate audit record storage capacity to store at least one weeks worth of audit records, when audit records are not immediately sent to a central audit record storage facility.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-215253AIX7-00-002033SV-215253r958752_ruleCCI-001849medium
Description
In order to ensure operating systems have a sufficient storage capacity in which to write the audit logs, operating systems need to be able to allocate audit record storage capacity. The task of allocating audit record storage capacity is usually performed during initial installation of AIX.
STIGDate
IBM AIX 7.x Security Technical Implementation Guide2026-06-15

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-04Event Log Storage Capacity
1.00
NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (14) 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-14(1)System Start-up
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

+4 more (top 10 by confidence shown)

CCI1 mapping
CCI-001849
1.00

Details

Check Text (C-215253r958752_chk)

Check the file system size where the log file resides is greater than the organizationally defined size of audit logs for one week (1GB). Find out where the audit log resides: # grep trail /etc/security/audit/config trail = /audit/trail Find out the available space in the file system hosting the audit logs. # df /audit/trail Filesystem 512-blocks Free %Used Iused %Iused Mounted on /dev/hd4 1966080 1792872 9% 3913 2% / If the "512-blocks" multiplied by "Free" is less than the required size for the audit logs, this is a finding.

Fix Text (F-16449r294211_fix)

Increase the size of the file system hosting the audit logs (by 1GB). # chfs -a size=+1G <root of file system for audit logs>