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The system boot loader configuration file(s) must have mode 0600 or less permissive.


Finding ID Version Rule ID IA Controls Severity
V-217903 RHEL-06-000067 SV-217903r505923_rule Medium
Proper permissions ensure that only the root user can modify important boot parameters.
Red Hat Enterprise Linux 6 Security Technical Implementation Guide 2020-09-03


Check Text ( C-19384r376724_chk )
To check the permissions of "/boot/grub/grub.conf", run the command:

$ sudo ls -lL /boot/grub/grub.conf

If properly configured, the output should indicate the following permissions: "-rw-------"

If it does not, this is a finding.
Fix Text (F-19382r376725_fix)
Set file permissions for "/boot/grub/grub.conf" to 600, which is the default.

To properly set the permissions of "/boot/grub/grub.conf", run the command:

$ chmod 600 /boot/grub/grub.conf