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<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE topic PUBLIC "-//OASIS//DTD DITA Topic//EN" "topic.dtd">
<topic xml:lang="en-us" id="ts_linux-host-grsec">
<title>PAX/grsec Kernels</title>
<body>
<p>
Linux kernels including the grsec patch, see
<ph>http://www.grsecurity.net/</ph>, and derivates have
to disable PAX_MPROTECT for the <userinput>VBox</userinput> binaries
to be able to start a VM. The reason is that Oracle VM VirtualBox has
to create executable code on anonymous memory.
</p>
</body>
</topic>
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