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

RHEL 9 SSH server configuration files' permissions must not be modified.

DISA Rule

SV-257999r1155686_rule

Vulnerability Number

V-257999

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

RHEL-09-255115

Severity

CAT II

CCI(s)

• CCI-000366 - Implement the security configuration settings.

Weight

10

Fix Recommendation

Run the following commands to restore the correct permissions of OpenSSH server configuration files:

$ sudo rpm --setugids openssh-server
$ sudo rpm --setperms openssh-server

Check Contents

Verify the permissions of the "/etc/ssh/sshd_config" file with the following command:

$ sudo rpm --verify openssh-server | awk '! ($2 == "c" && $1 ~ /^.\..\.\.\.\..\./) {print $0}'

If the command returns any output, this is a finding.

Vulnerability Number

V-257999

Documentable

False

Rule Version

RHEL-09-255115

Severity Override Guidance

Verify the permissions of the "/etc/ssh/sshd_config" file with the following command:

$ sudo rpm --verify openssh-server | awk '! ($2 == "c" && $1 ~ /^.\..\.\.\.\..\./) {print $0}'

If the command returns any output, this is a finding.

Check Content Reference

M

Target Key

5551