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V-256863

CAT II (Medium)

On Classified Systems, Logical Partition must be restricted with read/write access to only its own IOCDS.

Rule ID

SV-256863r958472_rule

STIG

IBM Hardware Management Console (HMC) Security Technical Implementation Guide

Version

V2R1

CCIs

CCI-000213

Discussion

Unrestricted control over the IOCDS files could result in unauthorized updates and impact the configuration of the environment by allowing unauthorized access to a restricted resource. This could severely damage the integrity of the environment and the system resources.

Check Content

Using the Hardware Management Console, verify that a logical partition cannot read or write to any IOCDS.  Use the Security Definitions Page panel to do this by checking to see if the Input/Output (I/O) Configuration Control option has been turned on.

   NOTE:	The default is applicable to only classified systems.

Confirm whether or not the I/O Configuration Control option is checked.

If the Logical Partition is not restricted with read/write access to only its own IOCDS, this is a FINDING.

Fix Text

Review the Security Definition parameters specified under Processor Resource/Systems Manager (PR/SM).
Verify and implement the correct settings.