Kernel core dumps must be disabled unless needed.
An XCCDF Rule
Description
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.
- ID
- SV-219335r610963_rule
- Version
- UBTU-18-010505
- Severity
- Medium
- References
- Updated
Remediation Templates
A 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).