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

AlmaLinux OS 9 must require authentication to access single-user mode.

DISA Rule

SV-269139r1137691_rule

Vulnerability Number

V-269139

Group Title

SRG-OS-000080-GPOS-00048

Rule Version

ALMA-09-006510

Severity

CAT II

CCI(s)

• CCI-000213 - Enforce approved authorizations for logical access to information and system resources in accordance with applicable access control policies.

Weight

10

Fix Recommendation

Configure AlmaLinux OS 9 to require authentication for single-user mode.

Add or modify the following line in the "/usr/lib/systemd/system/rescue.service" file:

ExecStart=-/usr/lib/systemd/systemd-sulogin-shell rescue

"sudo systemctl edit rescue.service" can also be used to create a "/etc/systemd/system/rescue.service.d/override.conf" file.

Check Contents

Verify that AlmaLinux OS 9 requires authentication for single-user mode with the following command:

$ grep -E 'ExecStart.*sulogin' /usr/lib/systemd/system/rescue.service

ExecStart=-/usr/lib/systemd/systemd-sulogin-shell rescue

If this line is not returned or is commented out, this is a finding.

Vulnerability Number

V-269139

Documentable

False

Rule Version

ALMA-09-006510

Severity Override Guidance

Verify that AlmaLinux OS 9 requires authentication for single-user mode with the following command:

$ grep -E 'ExecStart.*sulogin' /usr/lib/systemd/system/rescue.service

ExecStart=-/usr/lib/systemd/systemd-sulogin-shell rescue

If this line is not returned or is commented out, this is a finding.

Check Content Reference

M

Target Key

5664