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Message-ID: <ivMjj3lATlzwIHIHrMAPFX2ukGAAB-DvUg5TU30lGkyffNLHJEHJy7bN3uLbes9XLXnEXIHHDhYfFdmvxlSHKbTLlQLfQZycdSlE1ICaQ_E=@protonmail.ch>
Date: Mon, 15 Apr 2024 23:33:32 +0000
From: Jordan Glover <Golden_Miller83@...tonmail.ch>
To: oss-security@...ts.openwall.com
Subject: Re: Linux: Disabling network namespaces
On Monday, April 15th, 2024 at 5:47 PM, Simon McVittie <smcv@...ian.org> wrote:
> On Mon, 15 Apr 2024 at 17:13:09 +0200, Solar Designer wrote:
>
> I am not a kernel developer, so this is second-hand information; but I
> believe the implementation of kernel.unprivileged_userns_clone used in
> Debian (and subsequently copied from Debian by various other distros)
> is derived from patches that were already proposed and rejected upstream,
> so the feeling was that trying again to upstream that feature would be a
> waste of time and upstream goodwill, because it would just get rejected
> again by the same kernel maintainer.
>
Perhaps it's best to link old article covering the situation back then:
https://lwn.net/Articles/673597/
And yes, current kernel maintainers are biggest proponents of unpriv
userns so any restriction is rather impossible sell.
Jordan
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