STIGQter: STIG Summary: Canonical Ubuntu 22.04 LTS Security Technical Implementation Guide Version: 2 Release: 9 Benchmark Date: 01 Jul 2026:

Ubuntu 22.04 LTS must require the change of at least eight characters when passwords are changed.

DISA Rule

SV-260566r1015017_rule

Vulnerability Number

V-260566

Group Title

SRG-OS-000072-GPOS-00040

Rule Version

UBTU-22-611040

Severity

CAT II

CCI(s)

• CCI-004066 - For password-based authentication, enforce organization-defined composition and complexity rules.

Weight

10

Fix Recommendation

Configure Ubuntu 22.04 LTS to require the change of at least eight characters when passwords are changed.

Add or modify the following line in the "/etc/security/pwquality.conf" file:

difok = 8

Check Contents

Verify Ubuntu 22.04 LTS requires the change of at least eight characters when passwords are changed by using the following command:

$ grep -i difok /etc/security/pwquality.conf
difok = 8

If "difok" is less than "8", is commented out, or is missing, this is a finding.

Vulnerability Number

V-260566

Documentable

False

Rule Version

UBTU-22-611040

Severity Override Guidance

Verify Ubuntu 22.04 LTS requires the change of at least eight characters when passwords are changed by using the following command:

$ grep -i difok /etc/security/pwquality.conf
difok = 8

If "difok" is less than "8", is commented out, or is missing, this is a finding.

Check Content Reference

M

Target Key

5594