linux-kernel - Re: [PATCH] ipc: shm: fix information leak to userland

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Message-ID: <20101030090644.GX19804@ZenIV.linux.org.uk>
Date:	Sat, 30 Oct 2010 10:06:44 +0100
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Vasiliy Kulikov <segooon@...il.com>
Cc:	kernel-janitors@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Helge Deller <deller@....de>,
	David Howells <dhowells@...hat.com>,
	Hugh Dickins <hughd@...gle.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ipc: shm: fix information leak to userland

On Sat, Oct 30, 2010 at 01:04:37PM +0400, Vasiliy Kulikov wrote:
> Structure shmid_ds is copied to userland with shm_unused{,2,3}
> fields unitialized.  It leads to leaking of contents of kernel stack memory.
 
ACK; send to Linus and add Cc: stable@...nel.org
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