The kernel core dump data directory must have mode 0700 or less permissive.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-22406	GEN003522	SV-64433r2_rule		Low

Description
Kernel core dumps may contain the full contents of system memory at the time of the crash. As the system memory may contain sensitive information, it must be protected accordingly. If the mode of the kernel core dump data directory is more permissive than 0700, unauthorized users may be able to view or to modify kernel core dump data files.

STIG	Date
Oracle Linux 5 Security Technical Implementation Guide	2020-02-25

Details

Check Text ( C-52867r3_chk )
Verify the location of the kernel core dump data directory: # grep “path” /etc/kdump.conf Note: If this setting is not configured or commented out, the default kernel dump data directory is /var/crash. Check the permissions of the dump data directory: # ls -ld If the directory has a mode more permissive than 0700, this is a finding.

Fix Text (F-55045r3_fix)
Set the permissions on the kernel core dump data directory to 0700. # chmod 0700