From: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
To: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com>
Cc: Doug Ledford <dledford@redhat.com>,
swise@opengridcomputing.com, john.s.lacombe@intel.com,
linux-rdma@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH] RDMA/core: Fix for parsing netlink string attribute
Date: Fri, 8 May 2015 15:53:28 -0600 [thread overview]
Message-ID: <20150508215328.GB3917@obsidianresearch.com> (raw)
In-Reply-To: <20150508213633.GA13012@TENIKOLO-MOBL2>
On Fri, May 08, 2015 at 04:36:33PM -0500, Tatyana Nikolova wrote:
> The string iwpm_ulib_name is recorded in a nlmsg as a netlink attribute.
> Without this fix parsing of the nlmsg by the userspace port mapper service fails
> because of unknown attribute length, causing the port mapper service not to
> register the client, which has sent the nlmsg.
Reviewed-By: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
This actually will copy some kernel memory to userspace. I think the
overflow is in .text, so probably not a security issue..
Jason
next prev parent reply other threads:[~2015-05-08 21:53 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-08 21:36 [PATCH] RDMA/core: Fix for parsing netlink string attribute Tatyana Nikolova
2015-05-08 21:53 ` Jason Gunthorpe [this message]
2015-05-12 17:14 ` Doug Ledford
[not found] ` <1431450866.43876.65.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-05-12 17:50 ` Jason Gunthorpe
[not found] ` <20150512175033.GA15891-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-05-12 20:00 ` Doug Ledford
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