All device files must be monitored by the system Linux Security Module.

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All device files must be monitored by the system Linux Security Module.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-59371	OL6-00-000025	SV-73801r1_rule		Low

Description
If a device file carries the SELinux type "unlabeled_t", then SELinux cannot properly restrict access to the device file.

STIG	Date
Oracle Linux 6 Security Technical Implementation Guide	2019-03-20

Details

Check Text ( C-60147r1_chk )
To check for unlabeled device files, run the following command: # ls -RZ /dev \| grep unlabeled_t It should produce no output in a well-configured system. If there is output, this is a finding.

Fix Text (F-64767r1_fix)
Device files, which are used for communication with important system resources, should be labeled with proper SELinux types. If any device files carry the SELinux type "unlabeled_t", investigate the cause and correct the file's context.