Skip to content

Add more hardening Kconfig options #416

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
Open

Add more hardening Kconfig options #416

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
25 changes: 25 additions & 0 deletions config-qubes
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -69,6 +69,31 @@ CONFIG_SECURITY_YAMA=y
CONFIG_STACKPROTECTOR=y
CONFIG_STACKPROTECTOR_STRONG=y

## Use the SLUB allocator
CONFIG_SLUB=y

## and turn on debugging checks by default
CONFIG_SLUB_DEBUG=y
CONFIG_SLUB_DEBUG_ON=y

## Make some heap exploits harder

# CONFIG_SLAB_MERGE_DEFAULT is not set
CONFIG_SLAB_FREELIST_RANDOM=y
CONFIG_SLAB_FREELIST_HARDENED=y
CONFIG_SHUFFLE_PAGE_ALLOCATOR=y

## Internal consistency checks
CONFIG_DEBUG_LIST=y
CONFIG_DEBUG_PLIST=y
CONFIG_DEBUG_SG=y
CONFIG_DEBUG_NOTIFIERS=y
CONFIG_BUG_ON_DATA_CORRUPTION=y


## Lots of low-level attack surface; keep off
# CONFIG_MODIFY_LDT_SYSCALL is not set


################################################################################
## Disable PCI hotplug to prevent DMA attacks via ExpressCard or Thunderbolt
Expand Down