SLEM 5 must generate audit records for all uses of the "umount" system call.
An XCCDF Rule
Description
<VulnDiscussion>Reconstruction of harmful events or forensic analysis is not possible if audit records do not contain enough information. At a minimum, the organization must audit the full-text recording of privileged commands. The organization must maintain audit trails in sufficient detail to reconstruct events to determine the cause and impact of compromise.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-261460r996787_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
Configure SLEM 5 to generate an audit record for all uses of the "umount" and "umount2" system calls.
Add or modify the following lines in the "/etc/audit/rules.d/audit.rules" file:
-a always,exit -F arch=b32 -S umount -F auid>=1000 -F auid!=unset -k privileged-umount
-a always,exit -F arch=b32 -S umount2 -F auid>=1000 -F auid!=unset -k privileged-umount