STIGQter: STIG Summary: Tri-Lab Operating System Stack (TOSS) 5 Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 26 Mar 2026:

TOSS 5 must generate audit records for all account creations, modifications, disabling, and termination events that affect /var/log/lastlog.

DISA Rule

SV-282424r1201571_rule

Vulnerability Number

V-282424

Group Title

SRG-OS-000037-GPOS-00015

Rule Version

TOSS-05-000460

Severity

CAT II

CCI(s)

• CCI-000130 - Ensure that audit records containing information that establishes what type of event occurred.
• CCI-000135 - Generate audit records containing the organization-defined additional information that is to be included in the audit records.
• CCI-000169 - Provide audit record generation capability for the event types the system is capable of auditing as defined in AU-2 a. on organization-defined information system components.
• CCI-002884 - Log organization-defined audit events for nonlocal maintenance and diagnostic sessions.
• CCI-000172 - Generate audit records for the event types defined in AU-2 c that include the audit record content defined in AU-3.

Weight

10

Fix Recommendation

Configure TOSS 5 to generate audit records for all account creations, modifications, disabling, and termination events that affect "/var/log/lastlog".

Add or update the following file system rule to "/etc/audit/rules.d/audit.rules":

-w /var/log/lastlog -p wa -k logins

Restart the audit daemon for changes to take effect.

Check Contents

Verify TOSS 5 generates audit records for all account creations, modifications, disabling, and termination events that affect "/var/log/lastlog" with the following command:

$ sudo auditctl -l | grep /var/log/lastlog

-w /var/log/lastlog -p wa -k logins

If the command does not return a line or the line is commented out, this is a finding.

Vulnerability Number

V-282424

Documentable

False

Rule Version

TOSS-05-000460

Severity Override Guidance

Verify TOSS 5 generates audit records for all account creations, modifications, disabling, and termination events that affect "/var/log/lastlog" with the following command:

$ sudo auditctl -l | grep /var/log/lastlog

-w /var/log/lastlog -p wa -k logins

If the command does not return a line or the line is commented out, this is a finding.

Check Content Reference

M

Target Key

5738