SLEM 5 kernel core dumps must be disabled unless needed.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-261270	SLEM-05-213015	SV-261270r996860_rule		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 (DoS) by exhausting the available space on the target file system partition.

STIG	Date
SUSE Linux Enterprise Micro (SLEM) 5 Security Technical Implementation Guide	2024-06-04

Details

Check Text ( C-64999r996302_chk )
Verify that SLEM 5 kernel core dumps are disabled unless needed with the following command: > systemctl status kdump.service kdump.service - Load kdump kernel and initrd Loaded: loaded (/usr/lib/systemd/system/kdump.service; disabled; vendor preset: disabled) Active: inactive (dead) If "kdump.service" is active, ask the system administrator if the use of the service is required and documented with the information system security officer (ISSO). If the service is active and is not documented, this is a finding.

Check Text ( C-64999r996302_chk )

Verify that SLEM 5 kernel core dumps are disabled unless needed with the following command:

> systemctl status kdump.service
kdump.service - Load kdump kernel and initrd
Loaded: loaded (/usr/lib/systemd/system/kdump.service; disabled; vendor preset: disabled)
Active: inactive (dead)

If "kdump.service" is active, ask the system administrator if the use of the service is required and documented with the information system security officer (ISSO).

If the service is active and is not documented, this is a finding.

Fix Text (F-64907r995676_fix)
If SLEM 5 kernel core dumps are not required, disable the "kdump" service with the following command: > sudo systemctl disable kdump.service If kernel core dumps are required, document the need with the ISSO.