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oss-security: Re: [oss-security] Re: [PATCH] acpi: debugfs: fix

Re: [oss-security] Re: [PATCH] acpi: debugfs: fix buffer overflows, double free

From: Eugene Teo <eugene_at_nospam>
Date: Tue Jan 25 2011 - 00:44:39 GMT
To: oss-security@lists.openwall.com

On 01/25/2011 02:34 AM, Josh Bressers wrote:
> ----- Original Message -----
>> On 01/23/2011 04:13 AM, Steven M. Christey wrote:
>>>
>>> On Fri, 21 Jan 2011, Eugene Teo wrote:
>>>
>>>> On 01/21/2011 04:08 AM, Vasiliy Kulikov wrote:
>>>>> File position is not controlled, it may lead to overwrites of
>>>>> arbitrary
>>>>> kernel memory. Also the code may kfree() the same pointer multiple
>>>>> times.
>>>>
>>>> http://lkml.org/lkml/2011/1/20/348
>>>> https://bugzilla.redhat.com/CVE-2011-0023
>>>>
>>>> Please use CVE-2011-0023 (this does not include the unresolved flaw
>>>> described in the following paragraph below).
>>>
>>> There seem to be 2 types of issues described above - the
>>> uncontrolled
>>> file position / memory overwrite, and a "double free". So there
>>> should
>>> probably be 2 separate CVEs, not one. Am I missing something?
>>
>> Sorry about it. Please see http://seclists.org/oss-sec/2011/q1/106.
>
> Eugene, does the "unresolved flaw" still need an ID? This thread now
> confuses me.

No need. Thanks.

Eugene