DISA STIGS Viewer

OL 9 must use a separate file system for /tmp.

Overview

Finding ID Version Rule ID IA Controls Severity
V-271434 OL09-00-000004 SV-271434r1091014_rule   Medium
Description
The "/tmp" partition is used as temporary storage by many programs. Placing "/tmp" in its own partition enables the setting of more restrictive mount options, which can help protect programs that use it.
STIG Date
Oracle Linux 9 Security Technical Implementation Guide 2025-05-08

Details

Check Text (C-75484r1091012_chk)
Verify that OL 9 uses a separate file system/partition for "/tmp" with the following command:

$ mount | grep /tmp
tmpfs /tmp tmpfs noatime,mode=1777 0 0

If a separate entry for "/tmp" is not in use, this is a finding.
Fix Text (F-75391r1091013_fix)
Migrate the "/tmp" path onto a separate file system.