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Update modprobe presentation

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Raja Grewal 2024-07-13 23:29:52 +10:00
parent f34b9d7c45
commit 98580bb39a
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2 changed files with 28 additions and 17 deletions
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14
etc/modprobe.d/30_security-misc_blacklist.conf
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@ -11,24 +11,27 @@
## CD-ROM/DVD:
## Blacklist CD-ROM and DVD modules.
## Do not disable by default for potential future ISO plans.
##
## https://nvd.nist.gov/vuln/detail/CVE-2018-11506
## https://forums.whonix.org/t/blacklist-more-kernel-modules-to-reduce-attack-surface/7989/31
#
##
blacklist cdrom
blacklist sr_mod
#
##
#install cdrom /usr/bin/disabled-cdrom-by-security-misc
#install sr_mod /usr/bin/disabled-cdrom-by-security-misc
## Conntrack:
## Disable automatic conntrack helper assignment.
##
## https://phabricator.whonix.org/T486
#
##
options nf_conntrack nf_conntrack_helper=0
## Framebuffer Drivers:
##
## https://git.launchpad.net/ubuntu/+source/kmod/tree/debian/modprobe.d/blacklist-framebuffer.conf?h=ubuntu/disco
#
##
blacklist aty128fb
blacklist atyfb
blacklist cirrusfb
@ -59,9 +62,10 @@ blacklist vt8623fb
blacklist udlfb
## Miscellaneous:
##
## https://git.launchpad.net/ubuntu/+source/kmod/tree/debian/modprobe.d/blacklist.conf?h=ubuntu/disco
## https://git.launchpad.net/ubuntu/+source/kmod/tree/debian/modprobe.d/blacklist-ath_pci.conf?h=ubuntu/disco
#
##
blacklist ath_pci
blacklist amd76x_edac
blacklist asus_acpi

31
etc/modprobe.d/30_security-misc_disable.conf
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@ -10,24 +10,26 @@
## Bluetooth:
## Disable Bluetooth to reduce attack surface due to extended history of security vulnerabilities.
##
## https://en.wikipedia.org/wiki/Bluetooth#History_of_security_concerns
#
##
## Now replaced by a privacy and security preserving default Bluetooth configuration for better usability.
#
##
#install bluetooth /usr/bin/disabled-bluetooth-by-security-misc
#install btusb /usr/bin/disabled-bluetooth-by-security-misc
## CPU Model-Specific Registers (MSRs):
## Disable CPU MSRs as they can be abused to write to arbitrary memory.
##
## https://security.stackexchange.com/questions/119712/methods-root-can-use-to-elevate-itself-to-kernel-mode
## https://github.com/Kicksecure/security-misc/issues/215
#
##
#install msr /usr/bin/disabled-msr-by-security-misc
## File Systems:
## Disable uncommon file systems to reduce attack surface.
## HFS and HFS+ are legacy Apple filesystems that may be required depending on the EFI partition format.
#
##
install cramfs /usr/bin/disabled-filesys-by-security-misc
install freevxfs /usr/bin/disabled-filesys-by-security-misc
install hfs /usr/bin/disabled-filesys-by-security-misc
@ -37,8 +39,9 @@ install udf /usr/bin/disabled-filesys-by-security-misc
## FireWire (IEEE 1394):
## Disable IEEE 1394 (FireWire/i.LINK/Lynx) modules to prevent some DMA attacks.
##
## https://en.wikipedia.org/wiki/IEEE_1394#Security_issues
#
##
install dv1394 /usr/bin/disabled-firewire-by-security-misc
install firewire-core /usr/bin/disabled-firewire-by-security-misc
install firewire-ohci /usr/bin/disabled-firewire-by-security-misc
@ -51,7 +54,7 @@ install video1394 /usr/bin/disabled-firewire-by-security-misc
## Global Positioning Systems (GPS):
## Disable GPS-related modules like GNSS (Global Navigation Satellite System).
#
##
install gnss /usr/bin/disabled-gps-by-security-misc
install gnss-mtk /usr/bin/disabled-gps-by-security-misc
install gnss-serial /usr/bin/disabled-gps-by-security-misc
@ -61,14 +64,15 @@ install gnss-usb /usr/bin/disabled-gps-by-security-misc
## Intel Management Engine (ME):
## Partially disable the Intel ME interface with the OS.
##
## https://www.kernel.org/doc/html/latest/driver-api/mei/mei.html
#
##
install mei /usr/bin/disabled-intelme-by-security-misc
install mei-me /usr/bin/disabled-intelme-by-security-misc
## Network File Systems:
## Disable uncommon network file systems to reduce attack surface.
#
##
install cifs /usr/bin/disabled-netfilesys-by-security-misc
install gfs2 /usr/bin/disabled-netfilesys-by-security-misc
install ksmbd /usr/bin/disabled-netfilesys-by-security-misc
@ -78,10 +82,11 @@ install nfsv4 /usr/bin/disabled-netfilesys-by-security-misc
## Network Protocols:
## Disables rare and unneeded network protocols that are a common source of unknown vulnerabilities.
##
## https://tails.boum.org/blueprint/blacklist_modules/
## https://fedoraproject.org/wiki/Security_Features_Matrix#Blacklist_Rare_Protocols)
## https://git.launchpad.net/ubuntu/+source/kmod/tree/debian/modprobe.d/blacklist-rare-network.conf?h=ubuntu/disco
#
##
install af_802154 /usr/bin/disabled-network-by-security-misc
install appletalk /usr/bin/disabled-network-by-security-misc
install atm /usr/bin/disabled-network-by-security-misc
@ -103,17 +108,19 @@ install tipc /usr/bin/disabled-network-by-security-misc
install x25 /usr/bin/disabled-network-by-security-misc
## Miscellaneous:
#
##
## Vivid:
## Disables the vivid kernel module since it 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 /usr/bin/disabled-vivid-by-security-misc
## Thunderbolt:
## Disables Thunderbolt modules to prevent some DMA attacks.
##
## https://en.wikipedia.org/wiki/Thunderbolt_(interface)#Security_vulnerabilities
#
##
install thunderbolt /usr/bin/disabled-thunderbolt-by-security-misc