STIGQter: STIG Summary: Red Hat Enterprise Linux 9 Security Technical Implementation Guide Version: 2 Release: 9 Benchmark Date: 01 Jul 2026:

All RHEL 9 networked systems must have SSH installed.

DISA Rule

SV-257978r1045013_rule

Vulnerability Number

V-257978

Group Title

SRG-OS-000423-GPOS-00187

Rule Version

RHEL-09-255010

Severity

CAT II

CCI(s)

• CCI-002418 - Protect the confidentiality and/or integrity of transmitted information.
• CCI-002420 - Maintain the confidentiality and/or integrity of information during preparation for transmission.
• CCI-002421 - Implement cryptographic mechanisms to prevent unauthorized disclosure of information and/or detect changes to information during transmission.
• CCI-002422 - Maintain the confidentiality and/or integrity of information during reception.

Weight

10

Fix Recommendation

The openssh-server package can be installed with the following command:

$ sudo dnf install openssh-server

Check Contents

Verify that RHEL 9 has the openssh-server package installed with the following command:

$ dnf list --installed openssh-server

Example output:

openssh-server.x86_64 8.7p1-8.el9

If the "openssh-server" package is not installed, this is a finding.

Vulnerability Number

V-257978

Documentable

False

Rule Version

RHEL-09-255010

Severity Override Guidance

Verify that RHEL 9 has the openssh-server package installed with the following command:

$ dnf list --installed openssh-server

Example output:

openssh-server.x86_64 8.7p1-8.el9

If the "openssh-server" package is not installed, this is a finding.

Check Content Reference

M

Target Key

5551