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Enable more kernel hardening parameters #10

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Merged
adrelanos merged 1 commit into from
Jun 23, 2019
Merged

Enable more kernel hardening parameters #10

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9 changes: 9 additions & 0 deletions etc/default/grub.d/40_kernel_hardening.cfg
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Expand Up @@ -9,3 +9,12 @@ GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX page_poison=1"

# Makes the kernel panic on uncorrectable errors in ECC memory that an attacker could exploit.
GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX mce=0"

# Enables Kernel Page Table Isolation which mitigates Meltdown and improves KASLR.
GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX pti=on"

# Disables smt which can be used to exploit the MDS vulnerability.
GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX nosmt"

# Enables all mitigations for the MDS vulnerability.
GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX mds=full"