Date: Tue, 9 Aug 2011 09:18:07 -0400 From: Steve Grubb <sgrubb@...hat.com> To: oss-security@...ts.openwall.com Cc: dann frazier <dannf@...ian.org>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Christian Ohm <chr.ohm@....net>, Paul Mackerras <paulus@...ba.org>, Ingo Molnar <mingo@...e.hu>, Arnaldo Carvalho de Melo <acme@...stprotocols.net>, 632923@...s.debian.org 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: > http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632923 > > 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: https://bugzilla.redhat.com/show_bug.cgi?id=704296 -Steve
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