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← Back to Cloud Linux AlmaLinux OS 9 Security Technical Implementation Guide

V-269312

CAT II (Medium)

AlmaLinux OS 9 must mount /boot with the nodev option.

Rule ID

SV-269312r1050194_rule

STIG

Cloud Linux AlmaLinux OS 9 Security Technical Implementation Guide

Version

V1R6

CCIs

CCI-001764

Discussion

The only legitimate location for device files is the "/dev" directory located on the root partition. The only exception to this is chroot jails.

Check Content

Verify that the "/boot" mount point has the "nodev" option is with the following command:

$ mount | grep '\s/boot\s'

/dev/sda2 on /boot type xfs (rw,nosuid,nodev,noexec,relatime,seclabel,attr2,inode64,logbufs=8,logbsize=32k,noquota)

If the "/boot" file system does not have the "nodev" option set, this is a finding.

Fix Text

Modify "/etc/fstab" to use the "nodev" option on the "/boot" directory.