STIGQter: STIG Summary: IBM z/OS ACF2 Security Technical Implementation Guide Version: 9 Release: 9 Benchmark Date: 01 Jul 2026:

zOSMF resource class(es) must be defined to the ACF2 GSO CLASMAP record in accordance with security requirements.

DISA Rule

SV-275949r1225881_rule

Vulnerability Number

V-275949

Group Title

SRG-OS-000080-GPOS-00048

Rule Version

ACF2-ZO-000010

Severity

CAT II

CCI(s)

CCI-000213 - Enforce approved authorizations for logical access to information and system resources in accordance with applicable access control policies.

Weight

Fix Recommendation

Evaluate the impact associated with implementation of the control option. Develop a plan of action to implement the control option as specified in the example below.

Define the GSO CLASMAP records to include the EJBROLE, LOGSTRM, SERVER, TSOPROC, ZMFAPLA, and ZMFCLOUD classes. Ensure resource classes are uniquely defined.

Example:
ACF
SET CONTROL (GSO)
INSERT CLASMAP.EJBROLE RESOURCE(EJBROLE) RSRCTYPE(EJB) ENTITYLN(nn)
F ACF2,REFRESH(ALL)

Check Contents

From the ISPF Command shell, enter:
SET CONTROL (GSO)
SHOW CLASMAP

If the CLASMAP records include EJBROLE, LOGSTRM, SERVER, TSOPROC, ZMFAPLA, and ZMFCLOUD resource classes, this is not a finding.

Vulnerability Number

V-275949

Documentable

False

Rule Version

ACF2-ZO-000010

Severity Override Guidance

From the ISPF Command shell, enter:
SET CONTROL (GSO)
SHOW CLASMAP

If the CLASMAP records include EJBROLE, LOGSTRM, SERVER, TSOPROC, ZMFAPLA, and ZMFCLOUD resource classes, this is not a finding.

Check Content Reference

Target Key

4100