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Date: Tue, 9 Aug 2011 09:18:07 -0400
From: Steve Grubb <>
Cc: dann frazier <>, Peter Zijlstra <>,
        Christian Ohm <>, Paul Mackerras <>,
        Ingo Molnar <>,
        Arnaldo Carvalho de Melo <>,
Subject: Re: CVE request: perf: may parse user-controlled config file

On Sunday, August 07, 2011 01:34:38 PM dann frazier wrote:
> This was reported by Christian Ohm at:
> The perf command, provided as part of the Linux kernel source, looks
> for and honors configuration settings in ./config. A local user could
> obtain elevated privileges by convincing a superuser to run the perf
> command from a directory the user controls.

And in recent kernels has an executable stack:


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