AIX kernel core dumps must be disabled unless needed.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-215397 | AIX7-00-003094 | SV-215397r991589_rule | CCI-000366 | medium |
| 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. The kernel core dump process may increase the amount of time a system is unavailable due to a crash. Kernel core dumps can be useful for kernel debugging. | ||||
| STIG | Date | |||
| IBM AIX 7.x Security Technical Implementation Guide | 2024-08-16 | |||
Related Frameworks
4 paths across 3 frameworks
Related Frameworks
NIST 800-531 mapping
CM-6
1.00
- DISA · 3 · disa_xccdf · related
- DISA · 2025-01-23 · disa_cci_list · equivalent
NIST 800-1712 mappings
3.4.1
1.00
- DISA · 3 · disa_xccdf · related
- DISA · 2025-01-23 · disa_cci_list · equivalent
- NIST · Rev 2 (Feb 2020, errata Jan 2021) · nist_800_171_app_d · equivalent
3.4.2
1.00
- DISA · 3 · disa_xccdf · related
- DISA · 2025-01-23 · disa_cci_list · equivalent
- NIST · Rev 2 (Feb 2020, errata Jan 2021) · nist_800_171_app_d · equivalent
CCI1 mapping
CCI-000366
1.00
- DISA · 3 · disa_xccdf · related
Details
Check Text (C-215397r991589_chk)
Determine if kernel core dumps are enabled on the system using command:
# sysdumpdev -l
primary /dev/sysdumpnull
secondary /dev/sysdumpnull
Look at both the primary and secondary dump devices.
If either the primary or secondary dump device is not "/dev/sysdumpnull", this is a finding.
Fix Text (F-16593r294643_fix)
Disable kernel core dumps on the system by setting primary and secondary dump devices to "sysdumpnull" by running following commands:
# sysdumpdev -P -p /dev/sysdumpnull
# sysdumpdev -P -s /dev/sysdumpnull