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Message-ID: <CALCETrWFMvAqePk62dCTCxJFgRL43EM-ZWsQP4-9Fzy-K5oNdA@mail.gmail.com>
Date: Mon, 28 Apr 2014 11:38:12 -0700
From: Andy Lutomirski <luto@...capital.net>
To: oss-security@...ts.openwall.com
Subject: Re: CVE-2014-0181: Linux network reconfiguration due to incorrect
netlink checks
On Tue, Apr 22, 2014 at 8:01 PM, Andy Lutomirski <luto@...capital.net> wrote:
> On Apr 22, 2014 2:37 PM, "Andy Lutomirski" <luto@...capital.net> wrote:
>>
>> It is possible to reconfigure the network on Linux by calling write(2)
>> on an appropriately connected network socket. By passing such a
>> socket as stdout or stderr to a setuid program, anyone can reconfigure
>> the network.
>
> s/network socket/netlink socket
The fix is here:
https://git.kernel.org/cgit/linux/kernel/git/davem/net.git/commit/?id=90f62cf30a78721641e08737bda787552428061e
It depends on a few commits immediately preceding it as well as
https://git.kernel.org/cgit/linux/kernel/git/davem/net.git/commit/?id=78541c1dc60b65ecfce5a6a096fc260219d6784e.
So far the fix has not made it to Linus' tree or to -stable.
--Andy
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