Date: Mon, 20 Jun 2011 15:07:54 -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 Mon, Jun 20, 2011 at 3:05 PM, Josh Bressers <bressers@...hat.com> wrote: > > > ----- Original Message ----- >> NetBSD has committed a fix for an issue in the 802.11 stack . >> 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 >> >>  >> 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 > > 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. -Dan > Thanks. > > -- > JB >
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