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Prevent kernel info leaks in console during boot.

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add kernel parameter `quiet loglevel=0`

https://phabricator.whonix.org/T950
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Patrick Schleizer 2020-04-23 12:26:31 -04:00
parent aa5631b02b
commit 6485df8126
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1 changed files with 7 additions and 0 deletions
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7
etc/default/grub.d/40_kernel_hardening.cfg
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@ -59,3 +59,10 @@ fi
## Requires linux-hardened kernel patch.
## https://github.com/anthraxx/linux-hardened
GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX extra_latent_entropy"
## Prevent kernel info leaks in console during boot.
## https://phabricator.whonix.org/T950
## str_replace is provided by package helper-scripts.
## Remove "quiet" from GRUB_CMDLINE_LINUX_DEFAULT because "quiet" must be first.
GRUB_CMDLINE_LINUX_DEFAULT="$(echo "$GRUB_CMDLINE_LINUX_DEFAULT" | str_replace "quiet" "")"
GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX quiet loglevel=0"