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

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Date: Mon, 24 Jan 2011 13:34:47 -0500 (EST)
From: Josh Bressers <bressers@...hat.com>
To: oss-security@...ts.openwall.com
Cc: "Steven M. Christey" <coley@...us.mitre.org>,
        Vasiliy Kulikov <segoon@...nwall.com>
Subject: Re: Re: [PATCH] acpi: debugfs: fix buffer overflows,
 double free

----- 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.

Thanks.

-- 
    JB

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