linux-kernel - Re: Linux 2.6.20.13

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Message-ID: <20070609190010.GA11166@waste.org>
Date:	Sat, 9 Jun 2007 14:00:10 -0500
From:	Matt Mackall <mpm@...enic.com>
To:	Chris Wright <chrisw@...s-sol.org>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	torvalds@...ux-foundation.org, stable@...nel.org
Subject: Re: Linux 2.6.20.13

On Fri, Jun 08, 2007 at 12:00:28AM -0700, Chris Wright wrote:
> We (the -stable team) are announcing the release of the 2.6.20.13 kernel.
> This release has three security fixes in it:
>  
> 54bb290b: random: fix error in entropy extraction (CVE-2007-2453 1 of 2)
> f5939fcd: random: fix seeding with zero entropy (CVE-2007-2453 2 of 2)
> 
> The /dev/[u]random fix is especially important for machines with no
> entropy source (e.g. keyboard, mice, or disk drives) and no realtime clock
> since successive boots could generate same output from RNG.

For the record, /dev/random was not impacted. It will fail safe (eg
block forever) on machines with no entropy sources.

-- 
Mathematics is the supreme nostalgia of our time.
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