Messages in this thread | | | Date | Fri, 22 Jan 2016 15:00:38 -0800 | Subject | Re: [PATCH 2/2] sysctl: allow CLONE_NEWUSER to be disabled | From | Kees Cook <> |
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On Fri, Jan 22, 2016 at 2:55 PM, Robert Święcki <robert@swiecki.net> wrote: > 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
Ah-ha, Debian only, though it looks like this was just committed to the Ubuntu kernel tree too:
> IIRC some older kernels delivered with Ubuntu Precise were also using > it (but maybe I'm mistaken)
I don't see it there.
I think my patch is more complete, but I'm happy to change the name if this sysctl has already started to enter the global consciousness. ;)
Serge, Ben, what do you think?
-Kees
-- Kees Cook Chrome OS & Brillo Security
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