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ACF2 SECVOLS GSO record value must be set to VOLMASK(). Any local changes are justified and documented with the ISSO.


Overview

Finding ID Version Rule ID IA Controls Severity
V-223512 ACF2-ES-000950 SV-223512r695447_rule Medium
Description
The SECVOLS record defines the DASD and tape volumes for which CA-ACF2 provides volume-level protection. Information at rest refers to the state of information when it is located on a secondary storage device (e.g., disk drive and tape drive, when used for backups) within an operating system. This requirement addresses protection of user-generated data, as well as operating system-specific configuration data. Organizations may choose to employ different mechanisms to achieve confidentiality and integrity protections, as appropriate, in accordance with the security category and/or classification of the information.
STIG Date
IBM z/OS ACF2 Security Technical Implementation Guide 2022-06-22

Details

Check Text ( C-25185r695446_chk )
From an ACF command screen enter:
SET CONTROL(GSO)
LIST SECVOLS

If the GSO SECVOLS record values conform to the following requirements, this is not a finding.

VOLMASK()

NOTE: Local changes will be documented in writing with supporting documentation.

If there is any deviation from the above requirements in the GSO SECVOLS record values, this is a finding.
Fix Text (F-25173r504607_fix)
Define the GSO SECVOLS record values to conform to the following requirements.

VOLMASK()

Example:
SET C(GSO)
INSERT SECVOLS VOLMASK()

F ACF2,REFRESH(SECVOLS)