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 configure the use of the pam_faillock.so module in the /etc/pam.d/password-auth file.

DISA Rule

SV-269151r1050033_rule

Vulnerability Number

V-269151

Group Title

SRG-OS-000021-GPOS-00005

Rule Version

ALMA-09-007940

Severity

CAT II

CCI(s)

• CCI-000044 - Enforce the organization-defined limit of consecutive invalid logon attempts by a user during the organization-defined time period.

Weight

10

Fix Recommendation

Configure AlmaLinux OS 9 to include the use of the pam_faillock.so module in the /etc/pam.d/password-auth file.

Add/modify the appropriate sections of the "/etc/pam.d/password-auth" file to match the following lines, ensuring that the "preauth" line is listed before pam_unix.so.

auth required pam_faillock.so preauth
auth required pam_faillock.so authfail
account required pam_faillock.so

Note: Do not simply copy these three lines into the file; their location/order is important.

Check Contents

Verify the pam_faillock.so module is present in the "/etc/pam.d/password-auth" file:

$ grep pam_faillock.so /etc/pam.d/password-auth

auth required pam_faillock.so preauth
auth required pam_faillock.so authfail
account required pam_faillock.so

If the pam_faillock.so module is not present in the "/etc/pam.d/password-auth" file with the "preauth" line listed before pam_unix.so, this is a finding.

If the system administrator (SA) can demonstrate that the required configuration is contained in a PAM configuration file included or substacked from the system-auth file, this is not a finding.

Vulnerability Number

V-269151

Documentable

False

Rule Version

ALMA-09-007940

Severity Override Guidance

Verify the pam_faillock.so module is present in the "/etc/pam.d/password-auth" file:

$ grep pam_faillock.so /etc/pam.d/password-auth

auth required pam_faillock.so preauth
auth required pam_faillock.so authfail
account required pam_faillock.so

If the pam_faillock.so module is not present in the "/etc/pam.d/password-auth" file with the "preauth" line listed before pam_unix.so, this is a finding.

If the system administrator (SA) can demonstrate that the required configuration is contained in a PAM configuration file included or substacked from the system-auth file, this is not a finding.

Check Content Reference

M

Target Key

5664