STIGQter: STIG Summary: Cloud Linux AlmaLinux OS 9 Security Technical Implementation Guide Version: 1 Release: 7 Benchmark Date: 01 Jul 2026:

AlmaLinux OS 9 audit system must protect logon UIDs from unauthorized change.

DISA Rule

SV-269544r1050427_rule

Vulnerability Number

V-269544

Group Title

SRG-OS-000058-GPOS-00028

Rule Version

ALMA-09-056780

Severity

CAT II

CCI(s)

• CCI-000163 - Protect audit information from unauthorized modification.

Weight

10

Fix Recommendation

Configure AlmaLinux OS 9 auditing to prevent modification of login UIDs once they are set by adding the following line to /etc/audit/rules.d/audit.rules:

--loginuid-immutable

Check Contents

Verify the audit system prevents unauthorized changes to logon UIDs with the following command:

$ grep immutable /etc/audit/audit.rules

--loginuid-immutable

If the "--loginuid-immutable" option is not returned in the "/etc/audit/audit.rules", or the line is commented out, this is a finding.

Vulnerability Number

V-269544

Documentable

False

Rule Version

ALMA-09-056780

Severity Override Guidance

Verify the audit system prevents unauthorized changes to logon UIDs with the following command:

$ grep immutable /etc/audit/audit.rules

--loginuid-immutable

If the "--loginuid-immutable" option is not returned in the "/etc/audit/audit.rules", or the line is commented out, this is a finding.

Check Content Reference

M

Target Key

5664