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RHEL-10-400290 RHEL 10 must be configured so that all local files and directories must have a valid owner.

DISA STIG library V1R3
All changes in this version
first version loaded CAT II

Maps to AC-3 via CCI-000213

Title

RHEL 10 must be configured so that all local files and directories must have a valid owner.

Control

Verify RHEL 10 is configured so that all local files and directories have a valid owner with the following command: $ df --local -P | awk {'if (NR!=1) print $6'} | sudo xargs -I '{}' find '{}' -xdev -nouser If any files on the system do not have an assigned owner, this is a finding.

Discussion

Unowned files and directories may be unintentionally inherited if a user is assigned the same user identifier (UID) as the UID of the unowned files.

Related controls

CCI-000213

Fix

Configure RHEL 10 so that all local files and directories must have a valid owner. Either remove all files and directories that do not have a valid user from the system, or assign a valid user to all unowned files and directories on RHEL 10 with the "chown" command: $ sudo chown