Skip to content

3.1.3 Ensure bluetooth services are not in use

Audit#

Run the following command to verify the bluez package is not installed: 

# dpkg-query -s bluez &>/dev/null && echo "bluez is installed"
Nothing should be returned.

- OR - - IF - the bluez package is required as a dependency: Run the following command to verify bluetooth.service is not enabled: 

# systemctl is-enabled bluetooth.service 2>/dev/null | grep 'enabled'
Nothing should be returned.

Run the following command to verify bluetooth.service is not active: 

# systemctl is-active bluetooth.service 2>/dev/null | grep '^active'
Nothing should be returned.

Note: If the package is required for a dependency - Ensure the dependent package is approved by local site policy - Ensure stopping and masking the service and/or socket meets local site policy

Remediation#

Run the following commands to stop bluetooth.service, and remove the bluez package: 

# systemctl stop bluetooth.service
# apt purge bluez

- OR - - IF - the bluez package is required as a dependency: Run the following commands to stop and mask bluetooth.service: 

# systemctl stop bluetooth.service
# systemctl mask bluetooth.service

Note: A reboot may be required