STIGUI
V-257841CAT II — Medium severitySV-257841r1268251_rule

RHEL 9 must have the rng-tools package installed.

Rule version RHEL-09-215090 · STIG v2 · 2026-09-17

Discussion

"rng-tools" provides hardware random number generator tools, such as those used in the formation of x509/PKI certificates.

Check

Verify that RHEL 9 has the rng-tools package installed with the following command:

$ dnf list --installed rng-tools

Example output:

rng-tools.x86_64 6.14-2.git.b2b7934e.el9

If the "rng-tools" package is not installed, this is a finding.

Fix

The rng-tools package can be installed with the following command:

$ sudo dnf install rng-tools

Identifiers

Group ID
V-257841
Group title
SRG-OS-000480-GPOS-00227
Rule ID
SV-257841r1268251_rule
Check ID
C-61582r1044913_chk
Fix ID
F-61506r925509_fix