The Photon operating system must be configured to audit the loading and unloading of dynamic kernel modules.

Severity	Group ID	Group Title	Version	Rule ID	Date	STIG Version
medium	V-258851	SRG-OS-000471-GPOS-00216	PHTN-40-000175	SV-258851r991580_rule	2024-07-11	2

Description
Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one. Audit records can be generated from various components within the information system (e.g., module or policy filter). Satisfies: SRG-OS-000471-GPOS-00216, SRG-OS-000477-GPOS-00222

Description

Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one. Audit records can be generated from various components within the information system (e.g., module or policy filter). Satisfies: SRG-OS-000471-GPOS-00216, SRG-OS-000477-GPOS-00222

ℹ️ Check
At the command line, run the following command to verify an audit rule exists to audit kernel modules: # auditctl -l \| grep init_module Expected result: -a always,exit -F arch=b32 -S init_module -F key=modules -a always,exit -F arch=b64 -S init_module -F key=modules If the output does not match the expected result, this is a finding. Note: This check depends on the "auditd" service to be in a running state for accurate results. The "auditd" service is enabled in control PHTN-40-000016.

ℹ️ Check

At the command line, run the following command to verify an audit rule exists to audit kernel modules: # auditctl -l | grep init_module Expected result: -a always,exit -F arch=b32 -S init_module -F key=modules -a always,exit -F arch=b64 -S init_module -F key=modules If the output does not match the expected result, this is a finding. Note: This check depends on the "auditd" service to be in a running state for accurate results. The "auditd" service is enabled in control PHTN-40-000016.

✔️ Fix
Navigate to and open: /etc/audit/rules.d/audit.STIG.rules Add or update the following lines: -a always,exit -F arch=b32 -S init_module -F key=modules -a always,exit -F arch=b64 -S init_module -F key=modules At the command line, run the following command to load the new audit rules: # /sbin/augenrules --load Note: An "audit.STIG.rules" file is provided with this guidance for placement in "/etc/audit/rules.d" that contains all rules needed for auditd. Note: An older "audit.STIG.rules" may exist and may reference older "GEN" SRG IDs. This file can be removed and replaced as necessary with an updated one.

✔️ Fix

Navigate to and open: /etc/audit/rules.d/audit.STIG.rules Add or update the following lines: -a always,exit -F arch=b32 -S init_module -F key=modules -a always,exit -F arch=b64 -S init_module -F key=modules At the command line, run the following command to load the new audit rules: # /sbin/augenrules --load Note: An "audit.STIG.rules" file is provided with this guidance for placement in "/etc/audit/rules.d" that contains all rules needed for auditd. Note: An older "audit.STIG.rules" may exist and may reference older "GEN" SRG IDs. This file can be removed and replaced as necessary with an updated one.