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 must enable the hardware random number generator entropy gatherer service.

DISA Rule

SV-282626r1200858_rule

Vulnerability Number

V-282626

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

TOSS-05-000088

Severity

CAT III

CCI(s)

• CCI-000366 - Implement the security configuration settings.

Weight

10

Fix Recommendation

Install the "rng-tools" package using the following command:

$ sudo dnf install rng-tools

Enable the "rngd" service using the following command:

$ sudo systemctl enable --now rngd

Check Contents

Verify TOSS 5 enabled the hardware random number generator entropy gatherer service using the following command:

Note: For TOSS 5 systems running with kernel FIPS mode enabled as specified by TOSS-05-000470, this requirement is not applicable.

$ systemctl is-active rngd

active

If the "rngd" service is not active, this is a finding.

Vulnerability Number

V-282626

Documentable

False

Rule Version

TOSS-05-000088

Severity Override Guidance

Verify TOSS 5 enabled the hardware random number generator entropy gatherer service using the following command:

Note: For TOSS 5 systems running with kernel FIPS mode enabled as specified by TOSS-05-000470, this requirement is not applicable.

$ systemctl is-active rngd

active

If the "rngd" service is not active, this is a finding.

Check Content Reference

M

Target Key

5738