Date: Fri, 20 Apr 2012 11:10:10 +0800 From: Eugene Teo <eugeneteo@...nel.sg> To: "Eric W. Biederman" <ebiederm@...ssion.com> Cc: Marcus Meissner <meissner@...e.de>, OSS Security List <oss-security@...ts.openwall.com>, security@...nel.org, Sukadev Bhattiprolu <sukadev@...ibm.com>, Serge Hallyn <serge.hallyn@...onical.com>, Pavel Emelyanov <xemul@...nvz.org> Subject: Re: CVE request: pid namespace leak in kernel 3.0 and 3.1 > So we know what is holding the pid namespace reference. > > Additional thoughts. > > Does echo 3 > /proc/sys/vm/drop_caches clear up the issue? No. > Is there a corresponding task_struct leak? Yes. > I don't have much of a clue or much concern as this seems fixed in later kernels but I am happy to suggest things to look for to help narrow this down. I'm helping to provide more information. Thanks, Eugene
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