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From: "Eric W. Biederman" <ebiederm@xmission.com>
To: Jonathan Calmels <jcalmels@3xx0.net>
Cc: brauner@kernel.org,  Luis Chamberlain <mcgrof@kernel.org>,
	 Kees Cook <keescook@chromium.org>,
	 Joel Granados <j.granados@samsung.com>,
	 Serge Hallyn <serge@hallyn.com>,
	 Paul Moore <paul@paul-moore.com>,
	 James Morris <jmorris@namei.org>,
	 David Howells <dhowells@redhat.com>,
	 Jarkko Sakkinen <jarkko@kernel.org>,
	 containers@lists.linux.dev, linux-kernel@vger.kernel.org,
	 linux-fsdevel@vger.kernel.org,
	linux-security-module@vger.kernel.org,  keyrings@vger.kernel.org
Subject: Re: [PATCH 1/3] capabilities: user namespace capabilities
Date: Fri, 17 May 2024 06:32:46 -0500	[thread overview]
Message-ID: <878r08brmp.fsf@email.froward.int.ebiederm.org> (raw)
In-Reply-To: <20240516092213.6799-2-jcalmels@3xx0.net> (Jonathan Calmels's message of "Thu, 16 May 2024 02:22:03 -0700")

Jonathan Calmels <jcalmels@3xx0.net> writes:

> Attackers often rely on user namespaces to get elevated (yet confined)
> privileges in order to target specific subsystems (e.g. [1]). Distributions
> have been pretty adamant that they need a way to configure these, most of
> them carry out-of-tree patches to do so, or plainly refuse to enable
> them.

Pointers please?

That sentence sounds about 5 years out of date.

Eric

  parent reply	other threads:[~2024-05-17 12:13 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-16  9:22 [PATCH 0/3] Introduce user namespace capabilities Jonathan Calmels
2024-05-16  9:22 ` [PATCH 1/3] capabilities: " Jonathan Calmels
2024-05-16 12:27   ` Jarkko Sakkinen
2024-05-16 22:07   ` John Johansen
2024-05-17 10:51     ` Jonathan Calmels
2024-05-17 11:59       ` John Johansen
2024-05-18  3:50         ` Jonathan Calmels
2024-05-18 12:27           ` John Johansen
2024-05-19  1:33             ` Jonathan Calmels
2024-05-17 11:32   ` Eric W. Biederman [this message]
2024-05-17 11:55     ` Jonathan Calmels
2024-05-17 12:48       ` John Johansen
2024-05-17 14:22       ` Eric W. Biederman
2024-05-17 18:02         ` Jonathan Calmels
2024-05-21 15:52         ` John Johansen
2024-05-20  3:30   ` Serge E. Hallyn
2024-05-20  3:36   ` Serge E. Hallyn
2024-05-16  9:22 ` [PATCH 2/3] capabilities: add securebit for strict userns caps Jonathan Calmels
2024-05-16 12:42   ` Jarkko Sakkinen
2024-05-20  3:38   ` Serge E. Hallyn
2024-05-16  9:22 ` [PATCH 3/3] capabilities: add cap userns sysctl mask Jonathan Calmels
2024-05-16 12:44   ` Jarkko Sakkinen
2024-05-20  3:38   ` Serge E. Hallyn
2024-05-20 13:30   ` Tycho Andersen
2024-05-20 19:25     ` Jonathan Calmels
2024-05-20 21:13       ` Tycho Andersen
2024-05-20 22:12         ` Jarkko Sakkinen
2024-05-21 14:29           ` Tycho Andersen
2024-05-21 14:45             ` Jarkko Sakkinen
2024-05-16 13:30 ` [PATCH 0/3] Introduce user namespace capabilities Ben Boeckel
2024-05-16 13:36   ` Jarkko Sakkinen
2024-05-17 10:00     ` Jonathan Calmels
2024-05-16 16:23 ` Paul Moore
2024-05-16 17:18   ` Jarkko Sakkinen
2024-05-16 19:07 ` Casey Schaufler
2024-05-16 19:29   ` Jarkko Sakkinen
2024-05-16 19:31     ` Jarkko Sakkinen
2024-05-16 20:00       ` Jarkko Sakkinen
2024-05-17 11:42         ` Jonathan Calmels
2024-05-17 17:53           ` Casey Schaufler
2024-05-17 19:11             ` Jonathan Calmels
2024-05-18 11:08               ` Jarkko Sakkinen
2024-05-18 11:17                 ` Jarkko Sakkinen
2024-05-18 11:21                   ` Jarkko Sakkinen
2024-05-21 13:57                     ` John Johansen
2024-05-21 14:12                       ` Jarkko Sakkinen
2024-05-21 14:45                         ` John Johansen
2024-05-22  0:45                           ` Jonathan Calmels
2024-05-31  7:43                             ` John Johansen
2024-05-18 12:20             ` Serge Hallyn
2024-05-19 17:03               ` Casey Schaufler
2024-05-20  0:54                 ` Jonathan Calmels
2024-05-21 14:29               ` John Johansen

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