STIGQter 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 use strong authenticators in establishing nonlocal maintenance and diagnostic sessions.

DISA Rule

SV-260534r1208804_rule

Vulnerability Number

V-260534

Group Title

SRG-OS-000125-GPOS-00065

Rule Version

UBTU-22-255065

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Configure Ubuntu 22.04 LTS to use strong authentication when establishing nonlocal maintenance and diagnostic sessions.

Add or modify the following line to /etc/ssh/sshd_config:

UsePAM yes

Restart SSH for the changes to take effect:

$ sudo systemctl restart ssh

Check Contents

Verify Ubuntu 22.04 LTS is configured to use strong authenticators in the establishment of nonlocal maintenance and diagnostic maintenance by using the following command:

$ sudo /usr/sbin/sshd -dd 2>&1 | awk '/filename/ {print $4}' | tr -d '\r' | tr '\n' ' ' | xargs sudo grep -iH 'usepam'
/etc/ssh/sshd_config:UsePAM yes

If "UsePAM" is not set to "yes", is commented out, is missing, or conflicting results are returned, this is a finding.

Vulnerability Number

V-260534

Documentable

False

Rule Version

UBTU-22-255065

Severity Override Guidance

Verify Ubuntu 22.04 LTS is configured to use strong authenticators in the establishment of nonlocal maintenance and diagnostic maintenance by using the following command:

$ sudo /usr/sbin/sshd -dd 2>&1 | awk '/filename/ {print $4}' | tr -d '\r' | tr '\n' ' ' | xargs sudo grep -iH 'usepam'
/etc/ssh/sshd_config:UsePAM yes

If "UsePAM" is not set to "yes", is commented out, is missing, or conflicting results are returned, this is a finding.

Check Content Reference

M

Target Key

5594