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

RHEL 9 must prevent files with the setuid and setgid bit set from being executed on file systems that contain user home directories.

DISA Rule

SV-257851r1044932_rule

Vulnerability Number

V-257851

Group Title

SRG-OS-000368-GPOS-00154

Rule Version

RHEL-09-231050

Severity

CAT II

CCI(s)

• CCI-001764 - Prevent program execution in accordance with organization-defined policies, rules of behavior, and/or access agreements regarding software program usage and restrictions; rules authorizing the terms and conditions of software program usage.

Weight

10

Fix Recommendation

Modify "/etc/fstab" to use the "nosuid" option on the "/home" directory.

Check Contents

Verify "/home" is mounted with the "nosuid" option with the following command:

Note: If a separate file system has not been created for the user home directories (user home directories are mounted under "/"), this is automatically a finding, as the "nosuid" option cannot be used on the "/" system.

$ mount | grep /home

tmpfs on /home type xfs (rw,nodev,nosuid,noexec,seclabel)

If the "/home" file system is mounted without the "nosuid" option, this is a finding.

Vulnerability Number

V-257851

Documentable

False

Rule Version

RHEL-09-231050

Severity Override Guidance

Verify "/home" is mounted with the "nosuid" option with the following command:

Note: If a separate file system has not been created for the user home directories (user home directories are mounted under "/"), this is automatically a finding, as the "nosuid" option cannot be used on the "/" system.

$ mount | grep /home

tmpfs on /home type xfs (rw,nodev,nosuid,noexec,seclabel)

If the "/home" file system is mounted without the "nosuid" option, this is a finding.

Check Content Reference

M

Target Key

5551