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Message-ID: <20140401183003.GT24029@dhcp-25-225.brq.redhat.com>
Date: Tue, 1 Apr 2014 20:30:04 +0200
From: Petr Matousek <pmatouse@...hat.com>
To: oss-security@...ts.openwall.com
Cc: ago@...too.org, cve-assign@...re.org
Subject: Re: Re: CVE request: Linux Kernel, two security issues
On Sun, Mar 30, 2014 at 05:42:52PM -0400, cve-assign@...re.org wrote:
> > http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=21f8aaee0c62708654988ce092838aa7df4d25d8
> >
> > The vulnerability is caused due to a race condition error in the
> > "ath_tx_aggr_sleep()" function (drivers/net/wireless/ath/ath9k/xmit.c), which
> > can be exploited to cause a crash.
> > https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.12.15
> > https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.13.7
> > https://bugzilla.kernel.org/show_bug.cgi?id=70551
>
> Use CVE-2014-2672.
FWIW, there's also second commit mentioned in the bugzilla,
http://git.kernel.org/cgit/linux/kernel/git/jberg/mac80211.git/commit/?id=1d147bfa64293b2723c4fec50922168658e613ba
that also fixes a crash.
It is questionable how the attacker can trigger these bugs differently
than normal (high load) usage on a smp box.
--
Petr Matousek / Red Hat Security Response Team
PGP: 0xC44977CA 8107 AF16 A416 F9AF 18F3 D874 3E78 6F42 C449 77CA
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