Record Events that Modify the System's Mandatory Access Controls
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Description
If the auditd daemon is configured to use the
augenrules program to read audit rules during daemon startup (the
default), add the following line to a file with suffix .rules in the
directory /etc/audit/rules.d:
-w /etc/selinux/ -p wa -k MAC-policy
If the auditd daemon is configured to use the auditctl
utility to read audit rules during daemon startup, add the following line to
/etc/audit/audit.rules file:
-w /etc/selinux/ -p wa -k MAC-policy
Rationale
The system’s mandatory access policy (SELinux) should not be
arbitrarily changed by anything other than administrator action. All changes to
MAC policy should be audited.
Shell script
The following script can be run on the host to remediate the issue.
#!/bin/bash
# Perform the remediation for both possible tools: 'auditctl' and 'augenrules'
<ns10:sub idref="xccdf_org.ssgproject.content_value_function_fix_audit_watch_rule" use="legacy"/>
fix_audit_watch_rule "auditctl" "/etc/selinux/" "wa" "MAC-policy"
fix_audit_watch_rule "augenrules" "/etc/selinux/" "wa" "MAC-policy"
