security-misc/etc/modprobe.d/30_security-misc.conf

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## Copyright (C) 2012 - 2022 ENCRYPTED SUPPORT LP <adrelanos@whonix.org>
## See the file COPYING for copying conditions.
# See the following links for a community discussion and overview regarding the selections
# https://forums.whonix.org/t/blacklist-more-kernel-modules-to-reduce-attack-surface/7989
# https://madaidans-insecurities.github.io/guides/linux-hardening.html#kasr-kernel-modules
# Blacklist automatic conntrack helper assignment
# https://phabricator.whonix.org/T486
options nf_conntrack nf_conntrack_helper=0
# Blacklist bluetooth to reduce attack surface due to extended history of security vulnerabilities
# https://en.wikipedia.org/wiki/Bluetooth#History_of_security_concerns
install bluetooth /bin/disabled-by-security-misc
install btusb /bin/disabled-by-security-misc
# Blacklist thunderbolt and firewire modules to prevent some DMA attacks
install thunderbolt /bin/disabled-by-security-misc
install firewire-core /bin/disabled-by-security-misc
install firewire_core /bin/disabled-by-security-misc
install firewire-ohci /bin/disabled-by-security-misc
install firewire_ohci /bin/disabled-by-security-misc
install ohci1394 /bin/disabled-by-security-misc
install sbp2 /bin/disabled-by-security-misc
install dv1394 /bin/disabled-by-security-misc
install raw1394 /bin/disabled-by-security-misc
install video1394 /bin/disabled-by-security-misc
install firewire-sbp2 /bin/disabled-by-security-misc
# Blacklist CPU MSRs as they can be abused to write to arbitrary memory.
install msr /bin/disabled-by-security-misc
# Blacklists unneeded network protocols that will likely not be used as these may have unknown vulnerabilties.
#
# Credit to Tails (https://tails.boum.org/blueprint/blacklist_modules/) for some of these.
#
# > Debian ships a long list of modules for wide support of devices, filesystems, protocols. Some of these modules have a pretty bad security track record, and some of those are simply not used by most of our users.
#
# > Other distributions like Ubuntu[1] and Fedora[2] already ship a blacklist for various network protocols which aren't much in use by users and have a poor security track record.
#
install dccp /bin/disabled-by-security-misc
install sctp /bin/disabled-by-security-misc
install rds /bin/disabled-by-security-misc
install tipc /bin/disabled-by-security-misc
install n-hdlc /bin/disabled-by-security-misc
install ax25 /bin/disabled-by-security-misc
install netrom /bin/disabled-by-security-misc
install x25 /bin/disabled-by-security-misc
install rose /bin/disabled-by-security-misc
install decnet /bin/disabled-by-security-misc
install econet /bin/disabled-by-security-misc
install af_802154 /bin/disabled-by-security-misc
install ipx /bin/disabled-by-security-misc
install appletalk /bin/disabled-by-security-misc
install psnap /bin/disabled-by-security-misc
install p8023 /bin/disabled-by-security-misc
install p8022 /bin/disabled-by-security-misc
install can /bin/disabled-by-security-misc
install atm /bin/disabled-by-security-misc
# Blacklist uncommon file systems to reduce attack surface
install cramfs /bin/disabled-by-security-misc
install freevxfs /bin/disabled-by-security-misc
install jffs2 /bin/disabled-by-security-misc
install hfs /bin/disabled-by-security-misc
install hfsplus /bin/disabled-by-security-misc
install udf /bin/disabled-by-security-misc
# Blacklist uncommon network file systems to reduce attack surface
install cifs /bin/disabled-by-security-misc
install nfs /bin/disabled-by-security-misc
install nfsv3 /bin/disabled-by-security-misc
install nfsv4 /bin/disabled-by-security-misc
install ksmbd /bin/disabled-by-security-misc
install gfs2 /bin/disabled-by-security-misc
# Blacklists the vivid kernel module as it's only required for testing and has been the cause of multiple vulnerabilities
# https://forums.whonix.org/t/kernel-recompilation-for-better-hardening/7598/233
# https://www.openwall.com/lists/oss-security/2019/11/02/1
# https://github.com/a13xp0p0v/kconfig-hardened-check/commit/981bd163fa19fccbc5ce5d4182e639d67e484475
install vivid /bin/disabled-by-security-misc
# Blacklist Intel Management Engine (ME) interface with the OS
# https://www.kernel.org/doc/html/latest/driver-api/mei/mei.html
install mei /bin/disabled-by-security-misc
install mei-me /bin/disabled-by-security-misc
# Blacklist CD-ROM devices
# https://nvd.nist.gov/vuln/detail/CVE-2018-11506
# https://forums.whonix.org/t/blacklist-more-kernel-modules-to-reduce-attack-surface/7989/31
#install cdrom /bin/disabled-by-security-misc
#install sr_mod /bin/disabled-by-security-misc