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Date: Fri, 18 Jun 2010 11:27:15 -0400 (EDT)
From: Josh Bressers <>
Cc: "Steven M. Christey" <>
Subject: Re: CVE request - kernel: xfs swapext ioctl issue

Please use CVE-2010-2226 for this.



----- "Eugene Teo" <> wrote:

> User "foo" can use the SWAPEXT ioctl to swap a write-only file owned
> by 
> user "bar" into a file owned by "foo" and subsequently reading it. It
> does so by checking that the file descriptors passed to the ioctl are
> also opened for reading.
> References:
> Thanks, Eugene
> -- 
> main(i) { putchar(182623909 >> (i-1) * 5&31|!!(i<7)<<6) && main(++i);
> }

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