Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754809Ab3JUIzx (ORCPT ); Mon, 21 Oct 2013 04:55:53 -0400 Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:39903 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754631Ab3JUIxc (ORCPT ); Mon, 21 Oct 2013 04:53:32 -0400 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit MIME-Version: 1.0 From: Ben Hutchings To: linux-kernel@vger.kernel.org, stable@vger.kernel.org CC: akpm@linux-foundation.org, "Mike Miller" , "Linus Torvalds" , "Dan Carpenter" Date: Mon, 21 Oct 2013 09:46:28 +0100 Message-ID: X-Mailer: LinuxStableQueue (scripts by bwh) Subject: [PATCH 3.2 141/149] cpqarray: fix info leak in ida_locked_ioctl() In-Reply-To: X-SA-Exim-Connect-IP: 212.20.242.100 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1254 Lines: 38 3.2.52-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Dan Carpenter commit 627aad1c01da6f881e7f98d71fd928ca0c316b1a upstream. The pciinfo struct has a two byte hole after ->dev_fn so stack information could be leaked to the user. This was assigned CVE-2013-2147. Signed-off-by: Dan Carpenter Acked-by: Mike Miller Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Signed-off-by: Ben Hutchings --- drivers/block/cpqarray.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/block/cpqarray.c +++ b/drivers/block/cpqarray.c @@ -1195,6 +1195,7 @@ out_passthru: ida_pci_info_struct pciinfo; if (!arg) return -EINVAL; + memset(&pciinfo, 0, sizeof(pciinfo)); pciinfo.bus = host->pci_dev->bus->number; pciinfo.dev_fn = host->pci_dev->devfn; pciinfo.board_id = host->board_id; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/