Kernel core dumps must be disabled unless needed.
An XCCDF Rule
Description
<VulnDiscussion>Kernel core dumps may contain the full contents of system memory at the time of the crash. Kernel core dumps may consume a considerable amount of disk space and may result in denial of service by exhausting the available space on the target file system partition.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-219335r610963_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
If kernel core dumps are not required, disable the "kdump" service with the following command:
# systemctl disable kdump.service
If kernel core dumps are required, document the need with the Information System Security Officer (ISSO).