Amazon Linux 2023 must have the opensc package installed.

Severity	Group ID	Group Title	Version	Rule ID	Date	STIG Version
medium	V-274036	SRG-OS-000375-GPOS-00160	AZLX-23-001125	SV-274036r1120096_rule	2025-07-15	1

Description
The use of PIV credentials facilitates standardization and reduces the risk of unauthorized access. The DOD has mandated the use of the Common Access Card (CAC) to support identity management and personal authentication for systems covered under Homeland Security Presidential Directive (HSPD) 12, as well as making the CAC a primary component of layered protection for national security systems. Satisfies: SRG-OS-000375-GPOS-00160, SRG-OS-000376-GPOS-00161

Description

The use of PIV credentials facilitates standardization and reduces the risk of unauthorized access. The DOD has mandated the use of the Common Access Card (CAC) to support identity management and personal authentication for systems covered under Homeland Security Presidential Directive (HSPD) 12, as well as making the CAC a primary component of layered protection for national security systems. Satisfies: SRG-OS-000375-GPOS-00160, SRG-OS-000376-GPOS-00161

ℹ️ Check
Verify Amazon Linux 2023 has the opensc package installed with the following command: $ sudo dnf list --installed opensc Installed Packages opensc.x86_64 0.24.0-1.amzn2023.0.4 @amazonlinux If the "opensc" package is not installed, this is a finding.

✔️ Fix
Configure Amazon Linux 2023 to have the opensc package installed with the following command: $ sudo dnf install -y opensc