STIGQter: STIG Summary: Oracle Linux 9 Security Technical Implementation Guide Version: 1 Release: 6 Benchmark Date: 01 Jul 2026:

OL 9 must not allow blank or null passwords.

DISA Rule

SV-271634r1091614_rule

Vulnerability Number

V-271634

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

OL09-00-001110

Severity

CAT I

CCI(s)

CCI-000366 - Implement the security configuration settings.

Weight

Fix Recommendation

Remove any instances of the "nullok" option in the "/etc/pam.d/password-auth" and "/etc/pam.d/system-auth" files to prevent logons with empty passwords.

Note: Manual changes to the listed file may be overwritten by the "authselect" program.

Check Contents

Verify that OL 9 does not allow null passwords with the following command:

$ grep -i nullok /etc/pam.d/system-auth /etc/pam.d/password-auth

If output is produced, this is a finding.

Vulnerability Number

V-271634

Documentable

False

Rule Version

OL09-00-001110

Severity Override Guidance

Verify that OL 9 does not allow null passwords with the following command:

$ grep -i nullok /etc/pam.d/system-auth /etc/pam.d/password-auth

If output is produced, this is a finding.

Check Content Reference

Target Key

5680