1.1.16 Ensure nosuid option set on /dev/shm partition

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Information

Setting this option on a file system prevents users from introducing privileged programs onto the system and allowing non-root users to execute them.

Solution

Edit the /etc/fstab file and add nosuid 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 /dev/shm

See Also

https://workbench.cisecurity.org/files/1859

Item Details

Category: ACCESS CONTROL

References: 800-53|AC-6(10), CSCv6|3.1

Plugin: Unix

Control ID: a33359271ee3525858f1e9311042d02c81a308e3436dfa0b926a5f54f246e08f