STIGQter STIGQter: STIG Summary: Tri-Lab Operating System Stack (TOSS) 4 Security Technical Implementation Guide Version: 2 Release: 6 Benchmark Date: 01 Jul 2026:

TOSS must generate audit records for all account creations, modifications, disabling, and termination events that affect "/etc/sudoers".

DISA Rule

SV-253028r958684_rule

Vulnerability Number

V-253028

Group Title

SRG-OS-000303-GPOS-00120

Rule Version

TOSS-04-030840

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Configure TOSS to generate audit records for all account creations, modifications, disabling, and termination events that affect "/etc/sudoers".

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

-w /etc/sudoers -p wa -k identity

The audit daemon must be restarted for the changes to take effect.

Check Contents

Verify TOSS generates audit records for all account creations, modifications, disabling, and termination events that affect "/etc/sudoers".

Check the auditing rules in "/etc/audit/audit.rules" with the following command:

$ sudo grep /etc/sudoers /etc/audit/audit.rules

-w /etc/sudoers -p wa -k identity

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

Vulnerability Number

V-253028

Documentable

False

Rule Version

TOSS-04-030840

Severity Override Guidance

Verify TOSS generates audit records for all account creations, modifications, disabling, and termination events that affect "/etc/sudoers".

Check the auditing rules in "/etc/audit/audit.rules" with the following command:

$ sudo grep /etc/sudoers /etc/audit/audit.rules

-w /etc/sudoers -p wa -k identity

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

Check Content Reference

M

Target Key

5469