STIGQter: STIG Summary: SUSE Linux Enterprise Micro (SLEM) 5 Security Technical Implementation Guide Version: 1 Release: 4 Benchmark Date: 01 Apr 2026:

SLEM 5 with Unified Extensible Firmware Interface (UEFI) implemented must require authentication upon booting into single-user mode and maintenance.

DISA Rule

SV-261268r1184366_rule

Vulnerability Number

V-261268

Group Title

SRG-OS-000080-GPOS-00048

Rule Version

SLEM-05-212015

Severity

CAT I

CCI(s)

• CCI-000213 - Enforce approved authorizations for logical access to information and system resources in accordance with applicable access control policies.

Weight

10

Fix Recommendation

Note: If the system does not use UEFI, this requirement is not applicable.

Configure SLEM 5 to encrypt the GRUB bootloader password.

Generate an encrypted GRUB bootloader password for root with the following command:

> grub2-mkpasswd-pbkdf2
Enter Password:
Reenter Password:
PBKDF2 hash of your password is grub.pbkdf2.sha512.10000.03255F190F0E2F7B4F0D1C3216012309162F022A7A636771

Using the hash from the output, modify the "/etc/grub.d/40_custom" file and add the following two lines to add a boot password for the root entry:

set superusers="root"
password_pbkdf2 root grub.pbkdf2.sha512.03255F190F0E2F7B4F0D1C3216012309162F022A7A636771

Generate an updated "grub.conf" file with the new password using the following commands:

> sudo grub2-mkconfig --output=/tmp/grub2.cfg

> sudo mv /tmp/grub2.cfg /boot/efi/EFI/BOOT/grub.cfg

Check Contents

Note: If the system does not use UEFI, this requirement is not applicable.

Verify that SLEM 5 has set an encrypted GRUB bootloader password with the following command:

> sudo cat /boot/efi/EFI/BOOT/grub.cfg | grep -i password
password_pbkdf2 root grub.pbkdf2.sha512.10000.03255F190F0E2F7B4F0D1C3216012309162F022A7A636771

If the GRUB bootloader password entry does not begin with "password_pbkdf2", this is a finding.

Vulnerability Number

V-261268

Documentable

False

Rule Version

SLEM-05-212015

Severity Override Guidance

Note: If the system does not use UEFI, this requirement is not applicable.

Verify that SLEM 5 has set an encrypted GRUB bootloader password with the following command:

> sudo cat /boot/efi/EFI/BOOT/grub.cfg | grep -i password
password_pbkdf2 root grub.pbkdf2.sha512.10000.03255F190F0E2F7B4F0D1C3216012309162F022A7A636771

If the GRUB bootloader password entry does not begin with "password_pbkdf2", this is a finding.

Check Content Reference

M

Target Key

5596