RHEL 9 must use a separate file system for /var/tmp.

Severity
Group ID
Group Title
Version
Rule ID
Date
STIG Version
mediumV-257848SRG-OS-000480-GPOS-00227RHEL-09-231035SV-257848r1044926_rule2025-02-272
Description
The "/var/tmp" partition is used as temporary storage by many programs. Placing "/var/tmp" in its own partition enables the setting of more restrictive mount options, which can help protect programs that use it.
ℹ️ Check
Verify that a separate file system/partition has been created for "/var/tmp" with the following command: $ mount | grep /var/tmp /dev/mapper/rhel-tmp on /var/tmp type xfs (rw,nosuid,nodev,noexec,relatime,seclabel,attr2,inode64,logbufs=8,logbsize=32k) Note: Options displayed for mount may differ. If a separate entry for "/var/tmp" is not in use, this is a finding.
✔️ Fix
Migrate the "/var/tmp" path onto a separate file system.