From: David Howells <dhowells@redhat.com>
To: jmorris@namei.org
Cc: dhowells@redhat.com, linux-kernel@vger.kernel.org,
stable@vger.kernel.org, linux-security-module@vger.kernel.org,
keyrings@vger.kernel.org, torvalds@linux-foundation.org,
Dan Carpenter <dan.carpenter@oracle.com>
Subject: Re: [PATCH] KEYS: potential uninitialized variable
Date: Thu, 16 Jun 2016 15:50:37 +0100 [thread overview]
Message-ID: <5864.1466088637@warthog.procyon.org.uk> (raw)
In-Reply-To: <146608853752.5715.2913110713238395465.stgit@warthog.procyon.org.uk>
David Howells <dhowells@redhat.com> wrote:
> From: Dan Carpenter <dan.carpenter@oracle.com>
>
> If __key_link_begin() failed then "edit" would be uninitialized. I've
> added a check to fix that.
>
> This allows a random user to crash the kernel, though it's quite difficult
> to achieve. There are three ways it can be done as the user would have to
> cause an error to occur in __key_link():
>
> ...
I forgot to mention, this fixes CVE-2016-4470.
David
next prev parent reply other threads:[~2016-06-16 14:50 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-16 14:48 [PATCH] KEYS: potential uninitialized variable David Howells
2016-06-16 14:50 ` David Howells [this message]
-- strict thread matches above, loose matches on Subject: below --
2016-05-26 6:45 [patch] " Dan Carpenter
2016-05-27 14:02 ` David Howells
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