From: Patrick McHardy <kaber@trash.net>
To: Vasiliy Kulikov <segoon@openwall.com>
Cc: security@kernel.org, bridge@lists.linux-foundation.org,
coreteam@netfilter.org, netdev@vger.kernel.org,
ebtables-user@lists.sourceforge.net,
linux-kernel@vger.kernel.org,
ebtables-devel@lists.sourceforge.net,
Bart De Schuymer <bart.de.schuymer@pandora.be>,
netfilter-devel@vger.kernel.org, netfilter@vger.kernel.org,
"David S. Miller" <davem@davemloft.net>
Subject: Re: [Bridge] [PATCH] bridge: netfilter: fix information leak
Date: Mon, 14 Feb 2011 16:50:31 +0100 [thread overview]
Message-ID: <4D594F47.8070500@trash.net> (raw)
In-Reply-To: <1297680875-11663-1-git-send-email-segoon@openwall.com>
Am 14.02.2011 11:54, schrieb Vasiliy Kulikov:
> Struct tmp is copied from userspace. It is not checked whether the "name"
> field is NULL terminated. This may lead to buffer overflow and passing
> contents of kernel stack as a module name to try_then_request_module() and,
> consequently, to modprobe commandline. It would be seen by all userspace
> processes.
>
> Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Applied, thanks Vasiliy.
WARNING: multiple messages have this Message-ID (diff)
From: Patrick McHardy <kaber@trash.net>
To: Vasiliy Kulikov <segoon@openwall.com>
Cc: linux-kernel@vger.kernel.org, security@kernel.org,
Bart De Schuymer <bart.de.schuymer@pandora.be>,
Stephen Hemminger <shemminger@linux-foundation.org>,
"David S. Miller" <davem@davemloft.net>,
ebtables-user@lists.sourceforge.net,
ebtables-devel@lists.sourceforge.net,
netfilter-devel@vger.kernel.org, netfilter@vger.kernel.org,
coreteam@netfilter.org, bridge@lists.linux-foundation.org,
netdev@vger.kernel.org
Subject: Re: [PATCH] bridge: netfilter: fix information leak
Date: Mon, 14 Feb 2011 16:50:31 +0100 [thread overview]
Message-ID: <4D594F47.8070500@trash.net> (raw)
In-Reply-To: <1297680875-11663-1-git-send-email-segoon@openwall.com>
Am 14.02.2011 11:54, schrieb Vasiliy Kulikov:
> Struct tmp is copied from userspace. It is not checked whether the "name"
> field is NULL terminated. This may lead to buffer overflow and passing
> contents of kernel stack as a module name to try_then_request_module() and,
> consequently, to modprobe commandline. It would be seen by all userspace
> processes.
>
> Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Applied, thanks Vasiliy.
next prev parent reply other threads:[~2011-02-14 15:50 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-14 10:54 [Bridge] [PATCH] bridge: netfilter: fix information leak Vasiliy Kulikov
2011-02-14 10:54 ` Vasiliy Kulikov
2011-02-14 15:50 ` Patrick McHardy [this message]
2011-02-14 15:50 ` Patrick McHardy
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