1.1.7 Ensure nodev option set on /dev/shm partition

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Information

The nodev mount option specifies that the filesystem cannot contain special devices.

Rationale:

Since the /dev/shm filesystem is not intended to support devices, set this option to ensure that users cannot attempt to create special devices in /dev/shm partitions.

Solution

Edit the /etc/fstab file and add nodev to the fourth field (mounting options) for the /dev/shm partition. See the fstab(5) manual page for more information.
Run the following command to remount /dev/shm :

# mount -o remount,nosuid,nodev,noexec /dev/shm

See Also

https://workbench.cisecurity.org/files/3228