linux-kernel - Re: [PATCH] getsockopt() early argument sanity checking

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Message-Id: <1156097756.4051.28.camel@localhost.localdomain>
Date:	Sun, 20 Aug 2006 19:15:56 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Solar Designer <solar@...nwall.com>
Cc:	Willy Tarreau <wtarreau@...a.kernel.org>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH] getsockopt() early argument sanity checking

Ar Sul, 2006-08-20 am 03:05 +0400, ysgrifennodd Solar Designer:
> The patch makes getsockopt(2) sanity-check the value pointed to by
> the optlen argument early on.  This is a security hardening measure
> intended to prevent exploitation of certain potential vulnerabilities in
> socket type specific getsockopt() code on UP systems.
> 
> This change has been a part of -ow patches for some years.

Is it in 2.6 ?

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