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Date: Mon, 20 Jun 2011 15:07:54 -0400
From: Dan Rosenberg <>
Subject: Re: CVE request: FreeBSD/NetBSD 802.11 kernel memory disclosure

On Mon, Jun 20, 2011 at 3:05 PM, Josh Bressers <> wrote:
> ----- Original Message -----
>> NetBSD has committed a fix for an issue in the 802.11 stack [1].
>> FreeBSD is also affected and should release a fix shortly. Due to a
>> signedness error in the IEEE80211_IOC_CHANINFO ioctl, a local
>> unprivileged user could cause the kernel to copy large amounts of
>> kernel memory back to the user, disclosing potentially sensitive
>> information. The issue only affects certain non-x86 architectures,
>> such as SPARC.
>> -Dan
>> [1]
> I'm not entirely sure how to assign CVE ids for this. Is the code in
> question shared between FreeBSD and NetBSD, or is it different codebases
> but the same flaw?

Most of the 802.11 code, including the vulnerable code, is shared
between FreeBSD and NetBSD.


> Thanks.
> --
>    JB

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