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The Oracle Linux operating system must mount /dev/shm with the nodev option.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-99229 | OL07-00-021022 | SV-108333r1_rule | Low |
| Description |
|---|
| The "nodev" mount option causes the system to not interpret character or block special devices. Executing character or block special devices from untrusted file systems increases the opportunity for unprivileged users to attain unauthorized administrative access. |
| STIG | Date |
|---|---|
| Oracle Linux 7 Security Technical Implementation Guide | 2020-05-29 |
Details
| Check Text ( C-98075r1_chk ) |
|---|
| Verify that the "nodev" option is configured for /dev/shm: # cat /etc/fstab | grep /dev/shm tmpfs /dev/shm tmpfs defaults,nodev,nosuid,noexec 0 0 If any results are returned and the "nodev" option is not listed, this is a finding. Verify "/dev/shm" is mounted with the "nodev" option: # mount | grep "/dev/shm" | grep nodev If no results are returned, this is a finding. |
| Fix Text (F-104911r1_fix) |
|---|
| Configure the system so that /dev/shm is mounted with the "nodev" option. |