oss-security - Re: CVE request: kernel: sctp: Fix kernel panic while process protocol violation parameter

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Date: Tue, 21 Oct 2008 10:19:13 +0800
From: Eugene Teo <eteo@...hat.com>
To: oss-security@...ts.openwall.com
CC: "Steven M. Christey" <coley@...us.mitre.org>
Subject: Re: CVE request: kernel: sctp: Fix kernel panic while
 process protocol violation parameter

Eugene Teo wrote:
> Eugene Teo wrote:
>> This was committed in upstream kernel recently.
>>
>> "[PATCH] sctp: Fix kernel panic while process protocol violation parameter
>>
>> Since call to function sctp_sf_abort_violation() need paramter 'arg'
>> with 'struct sctp_chunk' type, it will read the chunk type and chunk
>> length from the chunk_hdr member of chunk. But call to
>> sctp_sf_violation_paramlen() always with 'struct sctp_paramhdr' type's
>> parameter, it will be passed to sctp_sf_abort_violation(). This may
>> cause kernel panic."
>>
>> Upstream commit: ba0166708ef4da7eeb61dd92bbba4d5a749d6561
>>
>> This is user-triggerable.
> 
> Ping Steve. This needs a CVE name too. Thanks!

My bad. Steve assigned this with CVE-2008-4618.

Thanks, Eugene

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