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The Bluetooth protocol handler must be disabled or not installed.


Finding ID Version Rule ID IA Controls Severity
V-89601 VRAU-SL-000445 SV-100251r1_rule Medium
Bluetooth is a personal area network (PAN) technology. Binding this protocol to the network stack increases the attack surface of the host. Unprivileged local processes may be able to cause the kernel to dynamically load a protocol handler by opening a socket using the protocol.
VMware vRealize Automation 7.x SLES Security Technical Implementation Guide 2018-10-12


Check Text ( C-89293r1_chk )
Verify the Bluetooth protocol handler is prevented from dynamic loading:

# grep "install bluetooth /bin/true" /etc/modprobe.conf /etc/modprobe.conf.local /etc/modprobe.d/*

If no result is returned, this is a finding.
Fix Text (F-96343r1_fix)
Prevent the Bluetooth protocol handler for dynamic loading:

# echo "install bluetooth /bin/true" >> /etc/modprobe.conf.local