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AIX must be configured so that the audit system takes appropriate action when the audit storage volume is full.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-219956AIX7-00-002017SV-219956r958754_ruleCCI-001851medium
Description
Taking appropriate action in case of a filled audit storage volume will minimize the possibility of losing audit records.
STIGDate
IBM AIX 7.x Security Technical Implementation Guide2024-08-16

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-08.1Event Log Backup on Separate Physical Systems / Components
0.50
NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (34) 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-17(1)Monitoring and Control
1.00
AC-2(1)Automated System Account Management
1.00
AC-2(4)Automated Audit Actions
1.00
AC-3Access Enforcement
1.00
AC-6(9)Log Use of Privileged Functions
1.00
AU-10Non-repudiation
1.00
AU-12Audit Record Generation
1.00
AU-12(1)System-wide and Time-correlated Audit Trail
1.00
AU-12(3)Changes by Authorized Individuals
1.00
AU-14(1)System Start-up
1.00

+24 more (top 10 by confidence shown)

CCI1 mapping
CCI-001851
1.00

Details

Check Text (C-219956r958754_chk)

Verify the action the operating system takes if the disk the audit records are written to becomes full. Verify that the file "/etc/security/audit/config" includes the required settings with the following command: # cat /etc/security/audit/config bin: trail = /audit/trail bin1 = /audit/bin1 bin2 = /audit/bin2 binsize = 25000 cmds = /etc/security/audit/bincmds freespace = 65536 backuppath = /audit backupsize = 0 bincompact = off If any of the configurations listed above is missing or not set to the listed value or greater, this is a finding.

Fix Text (F-21666r853496_fix)

Edit the /etc/security/audit/config file and add/modify the following values: Note: The values for "binsize" and "freespace" are the minimum required values. These values can be increased to meet organizationally defined values that exceed the listed values. bin: trail = /audit/trail bin1 = /audit/bin1 bin2 = /audit/bin2 binsize = 25000 cmds = /etc/security/audit/bincmds freespace = 65536 backuppath = /audit backupsize = 0 bincompact = off Restart the audit process: # /usr/sbin/audit shutdown # /usr/sbin/audit start