STIGUI
V-252916CAT II — Medium severitySV-252916r1262349_rule

The TOSS file system automounter must be disabled.

Rule version TOSS-04-010050 · STIG v2 · 2026-08-20

Discussion

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

Check

Note: If the "autofs" service is not installed, this requirement is Not Applicable.

Verify the operating system 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

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

Configure the operating system to disable the ability to automount devices.

Turn off the automount service with the following commands:

$ sudo systemctl stop autofs
$ sudo systemctl disable autofs

Identifiers

Group ID
V-252916
Group title
SRG-OS-000114-GPOS-00059
Rule ID
SV-252916r1262349_rule
Check ID
C-56369r1262347_chk
Fix ID
F-56319r1262348_fix