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OL 8 operating systems must require authentication upon booting into emergency mode.


Overview

Finding ID Version Rule ID IA Controls Severity
V-248542 OL08-00-010152 SV-248542r779192_rule Medium
Description
If the system does not require valid root authentication before it boots into emergency or rescue mode, anyone who invokes emergency or rescue mode is granted privileged access to all files on the system.
STIG Date
Oracle Linux 8 Security Technical Implementation Guide 2024-02-19

Details

Check Text ( C-51976r779190_chk )
Determine if the system requires authentication for emergency mode with the following command:

$ sudo grep sulogin-shell /usr/lib/systemd/system/emergency.service

ExecStart=-/usr/lib/systemd/systemd-sulogin-shell emergency

If the "ExecStart" line is configured for anything other than "/usr/lib/systemd/systemd-sulogin-shell emergency" or is commented out or missing, this is a finding.
Fix Text (F-51930r779191_fix)
Configure the system to require authentication upon booting into emergency mode by adding the following line to the "/usr/lib/systemd/system/emergency.service" file:

ExecStart=-/usr/lib/systemd/systemd-sulogin-shell emergency