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RHEL 8 must use a separate file system for /var/tmp.


Finding ID Version Rule ID IA Controls Severity
V-244529 RHEL-08-010544 SV-244529r743836_rule Medium
The use of separate file systems for different paths can protect the system from failures resulting from a file system becoming full or failing.
Red Hat Enterprise Linux 8 Security Technical Implementation Guide 2022-06-15


Check Text ( C-47804r743834_chk )
Verify that a separate file system/partition has been created for "/var/tmp".

Check that a file system/partition has been created for "/var/tmp" with the following command:

$ sudo grep /var/tmp /etc/fstab

UUID=c274f65f /var/tmp xfs noatime,nobarrier 1 2

If a separate entry for "/var/tmp" is not in use, this is a finding.
Fix Text (F-47761r743835_fix)
Migrate the "/var/tmp" path onto a separate file system.