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Prevent kernel info leaks in console during boot.

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By setting `kernel.printk = 3 3 3 3`.

https://phabricator.whonix.org/T950

Thanks to @madaidan for the suggestion!
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Patrick Schleizer 2020-04-16 08:00:31 -04:00
parent 4898a9e753
commit 8d2e4b68dc
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4
etc/sysctl.d/30_security-misc.conf
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@ -8,6 +8,10 @@ kernel.core_pattern=|/bin/false
## Restricts the kernel log to root only. ## Restricts the kernel log to root only.
kernel.dmesg_restrict=1 kernel.dmesg_restrict=1
## Prevent kernel info leaks in console during boot.
## https://phabricator.whonix.org/T950
kernel.printk = 3 3 3 3
## Don't allow writes to files that we don't own ## Don't allow writes to files that we don't own
## in world writable sticky directories, unless ## in world writable sticky directories, unless
## they are owned by the owner of the directory. ## they are owned by the owner of the directory.