DISA STIGS Viewer

AlmaLinux OS 9 must use the CAC smart card driver.

Overview

Finding ID Version Rule ID IA Controls Severity
V-269375 ALMA-09-034340 SV-269375r1050258_rule   Medium
Description
Smart card login provides two-factor authentication stronger than that provided by a username and password combination. Smart cards leverage public key infrastructure to provide and verify credentials. Configuring the smart card driver in use by the organization helps to prevent users from using unauthorized smart cards. Satisfies: SRG-OS-000107-GPOS-00054, SRG-OS-000108-GPOS-00055, SRG-OS-000112-GPOS-00057, SRG-OS-000113-GPOS-00058
STIG Date
CloudLinux AlmaLinux OS 9 Security Technical Implementation Guide 2025-05-22

Details

Check Text (C-73406r1049576_chk)
Verify that AlmaLinux OS 9 loads the CAC driver with the following command:

$ grep card_drivers /etc/opensc.conf

card_drivers = cac;

If "cac" is not listed as a card driver, or there is no line returned for "card_drivers", this is a finding.
Fix Text (F-73307r1049577_fix)
Configure AlmaLinux OS 9 to load the CAC driver.

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

card_drivers = cac;