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1.1.13 Ensure /var/tmp partition includes the nodev option

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Information

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

Since the /var/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 /var/tmp.

Solution

For existing /var/tmp partitions, edit the /etc/fstab file and add nodev to the fourth field (mounting options) of the /var/tmp entry. See the fstab(5) manual page for more information.

Run the following command to remount /var/tmp :

# mount -o remount,nodev /var/tmp

See Also

https://workbench.cisecurity.org/benchmarks/8415

Item Details

References: CSCv7|5.1, CSCv7|13

Plugin: Unix

Control ID: 6fe8e02102203d7bc4846cc3823f0dce113c17ccaa04a48fb8ecdb74b1e4c926