mirror of
https://github.com/Kicksecure/security-misc.git
synced 2024-12-25 05:09:26 -05:00
Split modprobe into blacklisted and disabled configurations
This commit is contained in:
Raja Grewal
parent
fc792ff232
commit
b02230a783
@ -122,10 +122,11 @@ preventing new modules from being loaded. Since this isn't configured directly
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within systemctl, it does not break the loading of legitimate and necessary
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modules for the user, like drivers etc., given they are plugged in on startup.
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#### Disables and blacklists kernel modules
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#### Blacklist and disable kernel modules
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Certain kernel modules are disabled and blacklisted by default to reduce attack
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surface via the `/etc/modprobe.d/30_security-misc.conf` configuration file.
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Certain kernel modules are blacklisted and disabled by default to reduce attack
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surface via both the `/etc/modprobe.d/30_security-misc_blacklist.conf` and
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`/etc/modprobe.d/30_security-misc_disable.conf` configuration files respectively.
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- Deactivates Netfilter's connection tracking helper - this module increases
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kernel attack surface by enabling superfluous functionality such as IRC
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2
debian/security-misc.maintscript
vendored
2
debian/security-misc.maintscript
vendored
@ -24,7 +24,7 @@ rm_conffile /etc/sysctl.d/kexec.conf
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rm_conffile /etc/sysctl.d/tcp_hardening.conf
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rm_conffile /etc/sysctl.d/tcp_sack.conf
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## merged into 1 file /etc/modprobe.d/30_security-misc.conf
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## merged into 2 files /etc/modprobe.d/30_security-misc_blacklist.conf and /etc/modprobe.d/30_security-misc_disable.conf
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rm_conffile /etc/modprobe.d/uncommon-network-protocols.conf
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rm_conffile /etc/modprobe.d/blacklist-bluetooth.conf
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rm_conffile /etc/modprobe.d/vivid.conf
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80
etc/modprobe.d/30_security-misc_blacklist.conf
Normal file
80
etc/modprobe.d/30_security-misc_blacklist.conf
Normal file
@ -0,0 +1,80 @@
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## Copyright (C) 2012 - 2024 ENCRYPTED SUPPORT LP <adrelanos@whonix.org>
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## See the file COPYING for copying conditions.
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## See the following links for a community discussion and overview regarding the selections.
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## https://forums.whonix.org/t/blacklist-more-kernel-modules-to-reduce-attack-surface/7989
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## https://madaidans-insecurities.github.io/guides/linux-hardening.html#kasr-kernel-modules
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## Blacklisting prevents kernel modules from automatically starting.
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## Disabling prohibits kernel modules from starting.
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## CD-ROM/DVD:
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## Blacklist CD-ROM and DVD modules.
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## Do not disable by default for potential future ISO plans.
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## https://nvd.nist.gov/vuln/detail/CVE-2018-11506
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## https://forums.whonix.org/t/blacklist-more-kernel-modules-to-reduce-attack-surface/7989/31
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#
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blacklist cdrom
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blacklist sr_mod
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#
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#install cdrom /usr/bin/disabled-cdrom-by-security-misc
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#install sr_mod /usr/bin/disabled-cdrom-by-security-misc
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## Conntrack:
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## Disable automatic conntrack helper assignment.
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## https://phabricator.whonix.org/T486
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#
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options nf_conntrack nf_conntrack_helper=0
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## Framebuffer Drivers:
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## https://git.launchpad.net/ubuntu/+source/kmod/tree/debian/modprobe.d/blacklist-framebuffer.conf?h=ubuntu/disco
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#
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blacklist aty128fb
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blacklist atyfb
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blacklist cirrusfb
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blacklist cyber2000fb
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blacklist cyblafb
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blacklist gx1fb
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blacklist hgafb
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blacklist i810fb
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blacklist intelfb
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blacklist kyrofb
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blacklist lxfb
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blacklist matroxfb_bases
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blacklist neofb
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blacklist nvidiafb
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blacklist pm2fb
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blacklist radeonfb
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blacklist rivafb
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blacklist s1d13xxxfb
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blacklist savagefb
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blacklist sisfb
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blacklist sstfb
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blacklist tdfxfb
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blacklist tridentfb
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blacklist vesafb
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blacklist vfb
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blacklist viafb
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blacklist vt8623fb
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blacklist udlfb
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## Miscellaneous:
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## https://git.launchpad.net/ubuntu/+source/kmod/tree/debian/modprobe.d/blacklist.conf?h=ubuntu/disco
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## https://git.launchpad.net/ubuntu/+source/kmod/tree/debian/modprobe.d/blacklist-ath_pci.conf?h=ubuntu/disco
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#
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blacklist ath_pci
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blacklist amd76x_edac
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blacklist asus_acpi
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blacklist bcm43xx
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blacklist eepro100
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blacklist eth1394
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blacklist evbug
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blacklist de4x5
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blacklist garmin_gps
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blacklist pcspkr
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blacklist prism54
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blacklist snd_aw2
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blacklist snd_intel8x0m
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blacklist snd_pcsp
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blacklist usbkbd
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blacklist usbmouse
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@ -8,77 +8,6 @@
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## Blacklisting prevents kernel modules from automatically starting.
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## Disabling prohibits kernel modules from starting.
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## CD-ROM/DVD:
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## Blacklist CD-ROM and DVD modules.
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## Do not disable by default for potential future ISO plans.
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## https://nvd.nist.gov/vuln/detail/CVE-2018-11506
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## https://forums.whonix.org/t/blacklist-more-kernel-modules-to-reduce-attack-surface/7989/31
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#
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blacklist cdrom
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blacklist sr_mod
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#
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#install cdrom /usr/bin/disabled-cdrom-by-security-misc
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#install sr_mod /usr/bin/disabled-cdrom-by-security-misc
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## Connection Tracking:
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## Disable automatic conntrack helper assignment.
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## https://phabricator.whonix.org/T486
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#
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options nf_conntrack nf_conntrack_helper=0
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## Framebuffer Drivers:
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## https://git.launchpad.net/ubuntu/+source/kmod/tree/debian/modprobe.d/blacklist-framebuffer.conf?h=ubuntu/disco
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#
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blacklist aty128fb
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blacklist atyfb
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blacklist cirrusfb
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blacklist cyber2000fb
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blacklist cyblafb
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blacklist gx1fb
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blacklist hgafb
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blacklist i810fb
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blacklist intelfb
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blacklist kyrofb
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blacklist lxfb
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blacklist matroxfb_bases
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blacklist neofb
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blacklist nvidiafb
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blacklist pm2fb
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blacklist radeonfb
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blacklist rivafb
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blacklist s1d13xxxfb
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blacklist savagefb
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blacklist sisfb
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blacklist sstfb
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blacklist tdfxfb
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blacklist tridentfb
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blacklist vesafb
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blacklist vfb
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blacklist viafb
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blacklist vt8623fb
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blacklist udlfb
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## Miscellaneous:
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## https://git.launchpad.net/ubuntu/+source/kmod/tree/debian/modprobe.d/blacklist.conf?h=ubuntu/disco
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## https://git.launchpad.net/ubuntu/+source/kmod/tree/debian/modprobe.d/blacklist-ath_pci.conf?h=ubuntu/disco
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#
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blacklist ath_pci
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blacklist amd76x_edac
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blacklist asus_acpi
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blacklist bcm43xx
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blacklist eepro100
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blacklist eth1394
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blacklist evbug
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blacklist de4x5
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blacklist garmin_gps
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blacklist pcspkr
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blacklist prism54
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blacklist snd_aw2
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blacklist snd_intel8x0m
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blacklist snd_pcsp
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blacklist usbkbd
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blacklist usbmouse
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## Bluetooth:
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## Disable Bluetooth to reduce attack surface due to extended history of security vulnerabilities.
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## https://en.wikipedia.org/wiki/Bluetooth#History_of_security_concerns
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@ -5,6 +5,6 @@
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## Alerts the user that a kernel module failed to load due to it being blacklisted by default.
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echo "$0: ERROR: This bluetooth kernel module is disabled by package security-misc by default. See the configuration file /etc/modprobe.d/30_security-misc.conf | args: $@" >&2
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echo "$0: ERROR: This bluetooth kernel module is disabled by package security-misc by default. See the configuration file /etc/modprobe.d/30_security-misc_disable.conf | args: $@" >&2
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exit 1
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@ -5,6 +5,6 @@
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## Alerts the user that a kernel module failed to load due to it being blacklisted by default.
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echo "$0: ERROR: This CD-ROM kernel module is disabled by package security-misc by default. See the configuration file /etc/modprobe.d/30_security-misc.conf | args: $@" >&2
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echo "$0: ERROR: This CD-ROM kernel module is disabled by package security-misc by default. See the configuration file /etc/modprobe.d/30_security-misc_disable.conf | args: $@" >&2
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exit 1
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@ -5,6 +5,6 @@
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## Alerts the user that a kernel module failed to load due to it being blacklisted by default.
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echo "$0: ERROR: This file system kernel module is disabled by package security-misc by default. See the configuration file /etc/modprobe.d/30_security-misc.conf | args: $@" >&2
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echo "$0: ERROR: This file system kernel module is disabled by package security-misc by default. See the configuration file /etc/modprobe.d/30_security-misc_disable.conf | args: $@" >&2
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exit 1
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@ -5,6 +5,6 @@
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## Alerts the user that a kernel module failed to load due to it being blacklisted by default.
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echo "$0: ERROR: This firewire kernel module is disabled by package security-misc by default. See the configuration file /etc/modprobe.d/30_security-misc.conf | args: $@" >&2
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echo "$0: ERROR: This firewire kernel module is disabled by package security-misc by default. See the configuration file /etc/modprobe.d/30_security-misc_disable.conf | args: $@" >&2
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exit 1
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@ -5,6 +5,6 @@
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## Alerts the user that a kernel module failed to load due to it being blacklisted by default.
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echo "$0: ERROR: This GNSS (Global Navigation Satellite System) kernel module is disabled by package security-misc by default. See the configuration file /etc/modprobe.d/30_security-misc.conf | args: $@" >&2
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echo "$0: ERROR: This GNSS (Global Navigation Satellite System) kernel module is disabled by package security-misc by default. See the configuration file /etc/modprobe.d/30_security-misc_disable.conf | args: $@" >&2
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exit 1
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@ -5,6 +5,6 @@
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## Alerts the user that a kernel module failed to load due to it being blacklisted by default.
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echo "$0: ERROR: This Intel Management Engine (ME) kernel module is disabled by package security-misc by default. See the configuration file /etc/modprobe.d/30_security-misc.conf | args: $@" >&2
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echo "$0: ERROR: This Intel Management Engine (ME) kernel module is disabled by package security-misc by default. See the configuration file /etc/modprobe.d/30_security-misc_disable.conf | args: $@" >&2
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exit 1
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@ -5,6 +5,6 @@
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## Alerts the user that a kernel module failed to load due to it being blacklisted by default.
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echo "$0: ERROR: This network file system kernel module is disabled by package security-misc by default. See the configuration file /etc/modprobe.d/30_security-misc.conf | args: $@" >&2
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echo "$0: ERROR: This network file system kernel module is disabled by package security-misc by default. See the configuration file /etc/modprobe.d/30_security-misc_disable.conf | args: $@" >&2
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exit 1
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@ -5,6 +5,6 @@
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## Alerts the user that a kernel module failed to load due to it being blacklisted by default.
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echo "$0: ERROR: This network protocol kernel module is disabled by package security-misc by default. See the configuration file /etc/modprobe.d/30_security-misc.conf | args: $@" >&2
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echo "$0: ERROR: This network protocol kernel module is disabled by package security-misc by default. See the configuration file /etc/modprobe.d/30_security-misc_disable.conf | args: $@" >&2
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exit 1
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@ -5,6 +5,6 @@
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## Alerts the user that a kernel module failed to load due to it being blacklisted by default.
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echo "$0: ERROR: This thunderbolt kernel module is disabled by package security-misc by default. See the configuration file /etc/modprobe.d/30_security-misc.conf | args: $@" >&2
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echo "$0: ERROR: This thunderbolt kernel module is disabled by package security-misc by default. See the configuration file /etc/modprobe.d/30_security-misc_disable.conf | args: $@" >&2
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exit 1
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@ -5,6 +5,7 @@
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## Alerts the user that a kernel module failed to load due to it being blacklisted by default.
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echo "$0: ERROR: This vivid kernel module is disabled by package security-misc by default. See the configuration file /etc/modprobe.d/30_security-misc.conf | args: $@" >&2
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echo "$0: ERROR: This vivid kernel module is disabled by package security-misc by default. See the configuration file /etc/modprobe.d/30_security-misc_disable
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.conf | args: $@" >&2
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exit 1
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