CCE-95433-9Platform: cpe:/o:amazon:linux:2, cpe:/o:centos:centos:7, cpe:/o:oracle:linux:7, cpe:/o:oracle:linux:8, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:9 | Date: (C)2021-03-05 (M)2023-07-04 |
Description:
The nodev mount option specifies that the filesystem cannot contain special devices.
Rationale:
Since the /tmp filesystem is not intended to support devices, set this option to ensure that
users cannot attempt to create block or character special devices in /tmp .
Audit:
Verify that the nodev option is set if a /tmp partition exists
Run the following command and verify that nothing is returned:
# mount | grep -E 's/tmps' | grep -v nodev
Notes:
If an entry for /tmp exists in /etc/fstab it will take precedence over entries in the
tmp.mount file
Parameter:
[yes/no]
Technical Mechanism:
Edit the /etc/fstab file and add nodev to the fourth field (mounting options) for the /tmp
partition. See the fstab(5) manual page for more information.
# mount -o remount, nodev /tmp
CCSS Severity: | CCSS Metrics: |
CCSS Score : 7.8 | Attack Vector: LOCAL |
Exploit Score: 1.1 | Attack Complexity: HIGH |
Impact Score: 6.0 | Privileges Required: LOW |
Severity: HIGH | User Interaction: NONE |
Vector: AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H | Scope: CHANGED |
| Confidentiality: HIGH |
| Integrity: HIGH |
| Availability: HIGH |
| |
References: Resource Id | Reference |
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SCAP Repo OVAL Definition | oval:org.secpod.oval:def:71966 |
SCAP Repo OVAL Definition | oval:org.secpod.oval:def:68584 |
SCAP Repo OVAL Definition | oval:org.secpod.oval:def:84206 |
SCAP Repo OVAL Definition | oval:org.secpod.oval:def:72984 |
SCAP Repo OVAL Definition | oval:org.secpod.oval:def:72332 |
SCAP Repo OVAL Definition | oval:org.secpod.oval:def:72670 |
SCAP Repo OVAL Definition | oval:org.secpod.oval:def:72879 |
SCAP Repo OVAL Definition | oval:org.secpod.oval:def:72773 |