linux-kernel - Re: [PATCH] mmc: block: fix free of uninitialized 'idata->buf'

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <CAPDyKFph2uiiC66Tw6xnTWOSSjzkUz-DOHYPXuBHJEtopw9Jtg@mail.gmail.com>
Date:	Mon, 18 Jul 2016 13:19:38 +0200
From:	Ulf Hansson <ulf.hansson@...aro.org>
To:	Ville Viinikka <ville@...era.com>
Cc:	linux-mmc <linux-mmc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	stable <stable@...r.kernel.org>
Subject: Re: [PATCH] mmc: block: fix free of uninitialized 'idata->buf'

On 12 July 2016 at 12:07, Ulf Hansson <ulf.hansson@...aro.org> wrote:
> + stable
>
> On 8 July 2016 at 17:27, Ville Viinikka <ville@...era.com> wrote:
>> Set 'idata->buf' to NULL so that it never gets returned without
>> initialization. This fixes a bug where mmc_blk_ioctl_cmd() would
>> free both 'idata' and 'idata->buf' but 'idata->buf' was returned
>> uninitialized.
>>
>> Fixes: 1ff8950c0433 ("mmc: block: change to use kmalloc when copy data from userspace")
>> Signed-off-by: Ville Viinikka <ville@...era.com>
>
> I added a stable tag to this and applied it for next!

Moved this to fixes!

Kind regards
Uffe