STIGQter: STIG Summary: Tri-Lab Operating System Stack (TOSS) 5 Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 26 Mar 2026:

TOSS 5 file system automount function must be disabled unless required.

DISA Rule

SV-282497r1200471_rule

Vulnerability Number

V-282497

Group Title

SRG-OS-000114-GPOS-00059

Rule Version

TOSS-05-000133

Severity

CAT II

CCI(s)

• CCI-000778 - Uniquely identify organization-defined devices and/or types of devices before establishing a local, remote, and/or network connection.

Weight

10

Fix Recommendation

Configure TOSS 5 to disable the ability to automount devices.

Disable the "autofs" service using the following command:

$ sudo systemctl mask --now autofs.service

Check Contents

Verify TOSS 5 file system automount function has been disabled using the following command:

$ sudo systemctl is-enabled autofs

masked

If the returned value is not "masked", "disabled", "Failed to get unit file state for autofs.service for autofs", or "enabled", and is not documented as operational requirement with the information system security officer (ISSO), this is a finding.

Vulnerability Number

V-282497

Documentable

False

Rule Version

TOSS-05-000133

Severity Override Guidance

Verify TOSS 5 file system automount function has been disabled using the following command:

$ sudo systemctl is-enabled autofs

masked

If the returned value is not "masked", "disabled", "Failed to get unit file state for autofs.service for autofs", or "enabled", and is not documented as operational requirement with the information system security officer (ISSO), this is a finding.

Check Content Reference

M

Target Key

5738