From: Eugene Teo <eteo@redhat.com>
To: Casey Dahlin <cdahlin@redhat.com>
Cc: linux-kernel@vger.kernel.org, "Bryn M. Reeves" <bmr@redhat.com>,
Neela Syam Kolli <megaraidlinux@lsi.com>,
"James E.J. Bottomley" <James.Bottomley@suse.de>,
Andrew Morton <akpm@linux-foundation.org>,
Yang Hongyang <yanghy@cn.fujitsu.com>,
Anand Gadiyar <gadiyar@ti.com>, Jiri Kosina <jkosina@suse.cz>,
linux-scsi@vger.kernel.org
Subject: Re: [PATCH] [SCSI] megaraid_sas: remove sysfs dbg_lvl world writeable permissions
Date: Thu, 03 Dec 2009 08:08:20 +0800 [thread overview]
Message-ID: <4B170174.5030805@redhat.com> (raw)
In-Reply-To: <1259767064-13738-1-git-send-email-cdahlin@redhat.com>
On 12/02/2009 11:17 PM, Casey Dahlin wrote:
> From: Bryn M. Reeves<bmr@redhat.com>
>
> /sys/bus/pci/drivers/megaraid_sas/poll_mode_io defaults to being
> world-writable, which seems bad (letting any user affect kernel driver
> behavior).
>
> This turns off group and user write permissions, so that on typical
> production systems only root can write to it.
>
> Signed-off-by: Bryn M. Reeves<bmr@redhat.com>
> Signed-off-by: Casey Dahlin<cdahlin@redhat.com>
CC: Eugene Teo <eteo@redhat.com>
The subject should read: megaraid_sas: remove poll_mode_io world
writeable permissions instead, and this has been assigned with
CVE-2009-3939.
Thanks, Eugene
--
Eugene Teo / Red Hat Security Response Team
next prev parent reply other threads:[~2009-12-03 0:08 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-02 15:17 [PATCH] [SCSI] megaraid_sas: remove sysfs dbg_lvl world writeable permissions Casey Dahlin
2009-12-03 0:08 ` Eugene Teo [this message]
2009-12-03 15:01 ` Yang, Bo
2009-12-04 13:38 ` Bryn M. Reeves
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