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1.1.6.4 Ensure nosuid option set on /var/log/audit partition

Audit#

Verify that the nosuid option is set for the /var/log/audit mount.

Run the following command to verify that the nosuid mount option is set.

Example: 

# findmnt --kernel /var/log/audit
/var/log/audit /dev/sdb ext4 rw,nosuid,nodev,noexec,relatime,seclabel

IF output is produced, ensure it includes the nosuid option

Remediation#

IF the /var/log/audit partition exists, edit the /etc/fstab file and add nosuid 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