grsecurity docs: add note about user namespaces

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Joachim Fasting 2016-08-05 17:39:47 +02:00
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@ -265,6 +265,11 @@
<sect1 xml:id="sec-grsec-issues"><title>Issues and work-arounds</title> <sect1 xml:id="sec-grsec-issues"><title>Issues and work-arounds</title>
<itemizedlist> <itemizedlist>
<listitem><para>User namespaces require <literal>CAP_SYS_ADMIN</literal>:
consequently, unprivileged namespaces are unsupported. Applications that
rely on namespaces for sandboxing (e.g., chromium) must use a privileged
helper.</para></listitem>
<listitem><para>Access to EFI runtime services is disabled by default: <listitem><para>Access to EFI runtime services is disabled by default:
this plugs a potential code injection attack vector; use this plugs a potential code injection attack vector; use
<option>security.grsecurity.disableEfiRuntimeServices</option> to override <option>security.grsecurity.disableEfiRuntimeServices</option> to override