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1.1.2.7.2 Ensure nodev option set on /var/log/audit partition

Information

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

Since the /var/log/audit filesystem is not intended to support devices, set this option to ensure that users cannot create a block or character special devices in /var/log/audit.

Solution

- IF - a separate partition exists for /var/log/audit.

Edit the /etc/fstab file and add nodev to the fourth field (mounting options) for the /var/log/audit partition.

Example:

<device> /var/log/audit <fstype> defaults,rw,nosuid,nodev,noexec,relatime 0 0

Run the following command to remount /var/log/audit with the configured options:

# mount -o remount /var/log/audit

See Also

https://workbench.cisecurity.org/benchmarks/19886

Item Details

Category: ACCESS CONTROL, CONFIGURATION MANAGEMENT, MEDIA PROTECTION

References: 800-53|AC-3, 800-53|AC-5, 800-53|AC-6, 800-53|CM-7(2), 800-53|MP-2, CAT|II, CSCv7|14.6, Rule-ID|SV-230517r854058_rule, Vuln-ID|V-230517

Plugin: Unix

Control ID: 2ea129775daca68b5e4b284ceca5d2d0caed4e044156c515f5d915b1de639360