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Message-ID: <BANLkTikiLGrEGf9b+4noCSV-vhqJxKQHDw@mail.gmail.com>
Date: Mon, 20 Jun 2011 09:57:56 -0400
From: Dan Rosenberg <dan.j.rosenberg@...il.com>
To: oss-security@...ts.openwall.com
Subject: Re: CVE request: FreeBSD/NetBSD 802.11 kernel memory disclosure
On Wed, Jun 15, 2011 at 8:19 PM, Dan Rosenberg
<dan.j.rosenberg@...il.com> wrote:
> 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] http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/net80211/ieee80211_ioctl.c?rev=1.56&content-type=text/x-cvsweb-markup&only_with_tag=MAIN
>
FreeBSD has commited a fix:
http://svnweb.freebsd.org/base?view=revision&revision=223145
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