STIGQter: STIG Summary: Canonical Ubuntu 24.04 LTS Security Technical Implementation Guide Version: 1 Release: 6 Benchmark Date: 01 Jul 2026:

Ubuntu 24.04 LTS must enforce 24 hours/1 day as the minimum password lifetime. Passwords for new users must have a 24 hours/1 day minimum password lifetime restriction.

DISA Rule

SV-270730r1066679_rule

Vulnerability Number

V-270730

Group Title

SRG-OS-000075-GPOS-00043

Rule Version

UBTU-24-400300

Severity

CAT II

CCI(s)

• CCI-004065 - For password-based authentication, employ automated tools to assist the user in selecting strong password authenticators.
• CCI-004066 - For password-based authentication, enforce organization-defined composition and complexity rules.

Weight

10

Fix Recommendation

Configure Ubuntu 24.04 LTS to enforce a 24 hours/1 day minimum password lifetime.

Add or modify the following line in the "/etc/login.defs" file:

PASS_MIN_DAYS 1

Check Contents

Verify Ubuntu 24.04 LTS enforces a 24 hours/1 day minimum password lifetime for new user accounts with the following command:

$ grep -i ^PASS_MIN_DAYS /etc/login.defs
PASS_MIN_DAYS 1

If the "PASS_MIN_DAYS" parameter value is less than "1" or is commented out, this is a finding.

Vulnerability Number

V-270730

Documentable

False

Rule Version

UBTU-24-400300

Severity Override Guidance

Verify Ubuntu 24.04 LTS enforces a 24 hours/1 day minimum password lifetime for new user accounts with the following command:

$ grep -i ^PASS_MIN_DAYS /etc/login.defs
PASS_MIN_DAYS 1

If the "PASS_MIN_DAYS" parameter value is less than "1" or is commented out, this is a finding.

Check Content Reference

M

Target Key

5673