From: "Jarkko Sakkinen" <jarkko@kernel.org>
To: "Jonathan Calmels" <jcalmels@3xx0.net>,
"Casey Schaufler" <casey@schaufler-ca.com>
Cc: <brauner@kernel.org>, <ebiederm@xmission.com>,
"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>,
<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 0/3] Introduce user namespace capabilities
Date: Sat, 18 May 2024 14:08:09 +0300 [thread overview]
Message-ID: <D1CQ1FZ72NIW.2U7ZH0GU6C5W5@kernel.org> (raw)
In-Reply-To: <vhpmew3kyay3xq4h3di3euauo43an22josvvz6assex4op3gzw@xeq63mqb2lmh>
On Fri May 17, 2024 at 10:11 PM EEST, Jonathan Calmels wrote:
> On Fri, May 17, 2024 at 10:53:24AM GMT, Casey Schaufler wrote:
> > Of course they do. I have been following the use of capabilities
> > in Linux since before they were implemented. The uptake has been
> > disappointing in all use cases.
>
> Why "Of course"?
> What if they should not get *all* privileges?
They do the job given a real-world workload and stress test.
Here the problem is based on a theory and an experiment.
Even a formal model does not necessarily map all "unknown unknowns".
BR, Jarkko
next prev parent reply other threads:[~2024-05-18 11:08 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
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 [this message]
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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