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CCE
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CCE-95433-9

Platform: 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:9Date: (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 : 7.8Attack Vector: LOCAL
Exploit Score: 1.1Attack Complexity: HIGH
Impact Score: 6.0Privileges Required: LOW
Severity: HIGHUser Interaction: NONE
Vector: AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:HScope: CHANGED
 Confidentiality: HIGH
 Integrity: HIGH
 Availability: HIGH
  

References:
Resource IdReference
SCAP Repo OVAL Definitionoval:org.secpod.oval:def:71966
SCAP Repo OVAL Definitionoval:org.secpod.oval:def:68584
SCAP Repo OVAL Definitionoval:org.secpod.oval:def:84206
SCAP Repo OVAL Definitionoval:org.secpod.oval:def:72984
SCAP Repo OVAL Definitionoval:org.secpod.oval:def:72332
SCAP Repo OVAL Definitionoval:org.secpod.oval:def:72670
SCAP Repo OVAL Definitionoval:org.secpod.oval:def:72879
SCAP Repo OVAL Definitionoval:org.secpod.oval:def:72773


OVAL    8
oval:org.secpod.oval:def:84206
oval:org.secpod.oval:def:71966
oval:org.secpod.oval:def:72879
oval:org.secpod.oval:def:72984
...
XCCDF    8
xccdf_org.secpod_benchmark_general_Amazon_Linux_AMI
xccdf_org.secpod_benchmark_general_CENTOS_7
xccdf_org.secpod_benchmark_general_RHEL_8
xccdf_org.secpod_benchmark_general_OEL_8
...

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