linux-kernel - Re: [PATCH 2/6] KEYS: Allow keyctl_revoke() on keys that have SETATTR but not WRITE perm

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Message-ID: <18380.1249400597@redhat.com>
Date:	Tue, 04 Aug 2009 16:43:17 +0100
From:	David Howells <dhowells@...hat.com>
To:	unlisted-recipients:; (no To-header on input)
Cc:	dhowells@...hat.com, "Serge E. Hallyn" <serue@...ibm.com>,
	torvalds@...l.org, akpm@...ux-foundation.org, jmorris@...ei.org,
	linux-kernel@...r.kernel.org, linux-security-module@...r.kernel.org
Subject: Re: [PATCH 2/6] KEYS: Allow keyctl_revoke() on keys that have SETATTR but not WRITE perm

David Howells <dhowells@...hat.com> wrote:

> Without this, you can't revoke keys that don't have an update method.

Actually, that's not true.  Keys aren't automatically given WRITE perm if they
don't have an update method, and so aren't automatically given revoke
permission.

David
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