SLEM 5 must allocate audit record storage capacity to store at least one week of audit records when audit records are not immediately sent to a central audit record storage facility.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-261413	SLEM-05-653025	SV-261413r996652_rule		Medium

Description
To ensure SLEM 5 has a sufficient storage capacity in which to write the audit logs, SLEM 5 must be able to allocate audit record storage capacity. The task of allocating audit record storage capacity is usually performed during initial installation of SLEM 5.

STIG	Date
SUSE Linux Enterprise Micro (SLEM) 5 Security Technical Implementation Guide	2024-06-04

Details

Check Text ( C-65142r996650_chk )
Verify SLEM 5 allocates audit record storage capacity to store at least one week of audit records when audit records are not immediately sent to a central audit record storage facility. Determine which partition the audit records are being written to with the following command: > sudo grep -iw log_file /etc/audit/auditd.conf log_file = /var/log/audit/audit.log Check the size of the partition that audit records are written to (with the example being /var/log/audit/) with the following command: > df -h /var/log/audit/ Filesystem Size Used Avail Use% Mounted on /dev/sda2 24G 10.4G 13.6G 43% /var If the audit records are not written to a partition made specifically for audit records (/var/log/audit is a separate partition), determine the amount of space being used by other files in the partition with the following command: > sudo du -sh 1.8G /var/log/audit The partition size needed to capture a week of audit records is based on the activity level of the system and the total storage capacity available. If the audit record partition is not allocated sufficient storage capacity, this is a finding.

Check Text ( C-65142r996650_chk )

Verify SLEM 5 allocates audit record storage capacity to store at least one week of audit records when audit records are not immediately sent to a central audit record storage facility.

Determine which partition the audit records are being written to with the following command:

> sudo grep -iw log_file /etc/audit/auditd.conf
log_file = /var/log/audit/audit.log

Check the size of the partition that audit records are written to (with the example being /var/log/audit/) with the following command:

> df -h /var/log/audit/
Filesystem Size Used Avail Use% Mounted on
/dev/sda2 24G 10.4G 13.6G 43% /var

If the audit records are not written to a partition made specifically for audit records (/var/log/audit is a separate partition), determine the amount of space being used by other files in the partition with the following command:

> sudo du -sh
1.8G /var/log/audit

The partition size needed to capture a week of audit records is based on the activity level of the system and the total storage capacity available.

If the audit record partition is not allocated sufficient storage capacity, this is a finding.

Fix Text (F-65050r996651_fix)
Allocate enough storage capacity for at least one week of SLEM 5 audit records when audit records are not immediately sent to a central audit record storage facility. If audit records are stored on a partition made specifically for audit records, use the "YaST2 - Partitioner" program (installation and configuration tool for Linux) to resize the partition with sufficient space to contain one week of audit records. If audit records are not stored on a partition made specifically for audit records, a new partition with sufficient amount of space will need be to be created. The new partition can be created using the "YaST2 - Partitioner" program on the system.

Fix Text (F-65050r996651_fix)

Allocate enough storage capacity for at least one week of SLEM 5 audit records when audit records are not immediately sent to a central audit record storage facility.

If audit records are stored on a partition made specifically for audit records, use the "YaST2 - Partitioner" program (installation and configuration tool for Linux) to resize the partition with sufficient space to contain one week of audit records.

If audit records are not stored on a partition made specifically for audit records, a new partition with sufficient amount of space will need be to be created. The new partition can be created using the "YaST2 - Partitioner" program on the system.