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V-230502

CAT II (Medium)

The RHEL 8 file system automounter must be disabled.

Rule ID

SV-230502r1155393_rule

STIG

Red Hat Enterprise Linux 8 Security Technical Implementation Guide

Version

V2R7

CCIs

CCI-000778

Discussion

Automatically mounting file systems permits easy introduction of unknown devices, thereby facilitating malicious activity.

Check Content

Verify RHEL 8 disables the ability to automount devices.

Check to see if automounter service is active with the following command:

Note: If the autofs service is not installed, this requirement is not applicable.

$ sudo systemctl status autofs

o autofs.service - Automounts filesystems on demand
   Loaded: loaded (/usr/lib/systemd/system/autofs.service; disabled)
   Active: inactive (dead)

If the "autofs" status is set to "active", this is a finding.

Fix Text

Configure RHEL 8 to disable the ability to automount devices.

Turn off the automount service with the following commands:

$ sudo systemctl stop autofs
$ sudo systemctl disable autofs