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RHEL 9 must use a separate file system for /tmp.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-257844 | RHEL-09-231015 | SV-257844r991589_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 |
|---|---|
| Red Hat Enterprise Linux 9 Security Technical Implementation Guide | 2024-06-04 |
Details
| Check Text ( C-61585r925517_chk ) |
|---|
| Verify that a separate file system/partition has been created 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-61509r925518_fix) |
|---|
| Migrate the "/tmp" path onto a separate file system. |