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Re: [PATCH 2/2] sysctl: allow CLONE_NEWUSER to be disabled

From Robert Święcki <robert@swiecki.net>
Newsgroups linux.kernel
Subject Re: [PATCH 2/2] sysctl: allow CLONE_NEWUSER to be disabled
Date 2016-01-23 00:00 +0100
Message-ID <qTSQq-28S-17@gated-at.bofh.it> (permalink)
References <qTSx5-20U-27@gated-at.bofh.it> <qTSx5-20U-25@gated-at.bofh.it> <qTSGJ-24Y-1@gated-at.bofh.it> <qTSQq-28S-19@gated-at.bofh.it>
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2016-01-22 23:50 GMT+01:00 Kees Cook <keescook@chromium.org>:

>> Seems that Debian and some older Ubuntu versions are already using
>>
>> $ sysctl -a | grep usern
>> kernel.unprivileged_userns_clone = 0
>>
>> Shall we be consistent wit it?
>
> Oh! I didn't see that on systems I checked. On which version did you find that?

$ uname -a
Linux bc1 4.3.0-0.bpo.1-amd64 #1 SMP Debian 4.3.3-5~bpo8+1
(2016-01-07) x86_64 GNU/Linux
$ cat /etc/debian_version
8.2

IIRC some older kernels delivered with Ubuntu Precise were also using
it (but maybe I'm mistaken)

-- 
Robert Święcki

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Thread

[PATCH 2/2] sysctl: allow CLONE_NEWUSER to be disabled Kees Cook <keescook@chromium.org> - 2016-01-22 23:40 +0100
  Re: [PATCH 2/2] sysctl: allow CLONE_NEWUSER to be disabled Robert Święcki <robert@swiecki.net> - 2016-01-22 23:50 +0100
    Re: [PATCH 2/2] sysctl: allow CLONE_NEWUSER to be disabled Robert Święcki <robert@swiecki.net> - 2016-01-23 00:00 +0100
      Re: [PATCH 2/2] sysctl: allow CLONE_NEWUSER to be disabled Kees Cook <keescook@chromium.org> - 2016-01-23 00:10 +0100
        Re: [PATCH 2/2] sysctl: allow CLONE_NEWUSER to be disabled Serge Hallyn <serge.hallyn@ubuntu.com> - 2016-01-23 01:50 +0100
        Re: [PATCH 2/2] sysctl: allow CLONE_NEWUSER to be disabled Serge Hallyn <serge.hallyn@ubuntu.com> - 2016-01-23 01:50 +0100
        Re: [kernel-hardening] Re: [PATCH 2/2] sysctl: allow CLONE_NEWUSER  to be disabled Ben Hutchings <ben@decadent.org.uk> - 2016-01-23 02:10 +0100
          Re: [kernel-hardening] Re: [PATCH 2/2] sysctl: allow CLONE_NEWUSER to  be disabled Kees Cook <keescook@chromium.org> - 2016-01-24 22:00 +0100
            Re: [kernel-hardening] Re: [PATCH 2/2] sysctl: allow CLONE_NEWUSER to  be disabled Andy Lutomirski <luto@amacapital.net> - 2016-01-24 23:30 +0100
              Re: [kernel-hardening] Re: [PATCH 2/2] sysctl: allow CLONE_NEWUSER to  be disabled Kees Cook <keescook@chromium.org> - 2016-01-25 20:00 +0100
    Re: [PATCH 2/2] sysctl: allow CLONE_NEWUSER to be disabled Kees Cook <keescook@chromium.org> - 2016-01-23 00:00 +0100

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