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Date: Fri, 06 Dec 2013 11:43:55 -0700
From: Kurt Seifried <kseifried@...hat.com>
To: oss-security@...ts.openwall.com
Subject: Re: CVE request: Kernel: ping: NULL pointer dereference
 on write to msg_name

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On 12/06/2013 07:01 AM, Vasily Kulikov wrote:
> Hi,
> 
> On Fri, Dec 06, 2013 at 19:13 +0530, P J P wrote:
>> Linux kernel built with the TCP/IP networking support(CONFIG_NET)
>> is vulnerable to a NULL pointer dereference flaw. It could occur
>> via a plain read(2) call on a ping socket. Usage of ping sockets
>> is generally restricted to privileged users.
>> 
>> A user/program able to read from ping sockets could use this flaw
>> to crash a system resulting in DoS.
>> 
>> Upstream fix: ------------- ->
>> https://git.kernel.org/linus/cf970c002d270c36202bd5b9c2804d3097a52da0
>>
>>
>> 
Reference:
>> ---------- ->
>> https://bugzilla.redhat.com/show_bug.cgi?id=1039046
> 
> The bug was introduced with ping6 sockets implementation in:
> 
> https://git.kernel.org/linus/6d0bfe22611602f36617bc7aa2ffa1bbb2f54c67
>
>  Thanks,

Please use CVE-2013-6432 for this issue.

- -- 
Kurt Seifried Red Hat Security Response Team (SRT)
PGP: 0x5E267993 A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993
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