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RHEL-09-231040 The RHEL 9 file system automounter must be disabled.

DISA STIG library V2R10
All changes in this version
first version loaded CAT II

Maps to IA-3 via CCI-000778, CCI-001958

Title

The RHEL 9 file system automounter must be disabled.

Control

Verify that RHEL 9 file system automount function has been disabled and masked with the following command: $ $ systemctl is-enabled autofs masked If the returned value is not "masked", "disabled", or "not-found", this is a finding.

Discussion

Without identifying devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. Peripherals include, but are not limited to, devices such as flash drives, external storage, and printers. Satisfies: SRG-OS-000114-GPOS-00059, SRG-OS-000378-GPOS-00163

Related controls

CCI-000778, CCI-001958

Fix

Configure RHEL 9 to disable and mask the ability to automount devices. The "autofs" service can be disabled with the following command: $ sudo systemctl mask --now autofs.service