STIGQter STIGQter: STIG Summary: Red Hat Enterprise Linux 8 Security Technical Implementation Guide Version: 2 Release: 8 Benchmark Date: 01 Jul 2026:

RHEL 8 operating systems booted with United Extensible Firmware Interface (UEFI) must require authentication upon booting into single-user mode and maintenance.

DISA Rule

SV-230234r1137691_rule

Vulnerability Number

V-230234

Group Title

SRG-OS-000080-GPOS-00048

Rule Version

RHEL-08-010140

Severity

CAT I

CCI(s)

Weight

10

Fix Recommendation

Configure the system to require a grub bootloader password for the grub superusers account with the grub2-setpassword command, which creates/overwrites the /boot/efi/EFI/redhat/user.cfg file.

Generate an encrypted grub2 password for the grub superusers account with the following command:

$ sudo grub2-setpassword
Enter password:
Confirm password:

Check Contents

For systems that use BIOS, this is Not Applicable.

Check to see if an encrypted grub superusers password is set. On systems that use UEFI, use the following command:

$ sudo grep -iw grub2_password /boot/efi/EFI/redhat/user.cfg

GRUB2_PASSWORD=grub.pbkdf2.sha512.[password_hash]

If the grub superusers password does not begin with "grub.pbkdf2.sha512", this is a finding.

Vulnerability Number

V-230234

Documentable

False

Rule Version

RHEL-08-010140

Severity Override Guidance

For systems that use BIOS, this is Not Applicable.

Check to see if an encrypted grub superusers password is set. On systems that use UEFI, use the following command:

$ sudo grep -iw grub2_password /boot/efi/EFI/redhat/user.cfg

GRUB2_PASSWORD=grub.pbkdf2.sha512.[password_hash]

If the grub superusers password does not begin with "grub.pbkdf2.sha512", this is a finding.

Check Content Reference

M

Target Key

2921