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Open Source and information security mailing list archives
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Date: Thu, 24 Aug 2006 09:16:57 -0500 From: "Serge E. Hallyn" <sergeh@...ibm.com> To: Benjamin LaHaise <bcrl@...ck.org> Cc: serue@...ibm.com, Serge E Hallyn <sergeh@...ibm.com>, Alan Cox <alan@...rguk.ukuu.org.uk>, kjhall@...ibm.com, linux-kernel <linux-kernel@...r.kernel.org>, LSM ML <linux-security-module@...r.kernel.org>, David Safford <safford@...ibm.com>, Mimi Zohar <zohar@...ibm.com> Subject: Re: [PATCH 3/7] SLIM main patch Quoting Benjamin LaHaise (bcrl@...ck.org): > On Thu, Aug 24, 2006 at 08:58:03AM -0500, Serge E. Hallyn wrote: > > Still not certain this is needed. If you were able to write data to a > > pipe, then even though data may be in the buffer, the other end > > shouldn't be able to read it if it's own level were changed. > > Then what is the benefit of the supposed revoke if it can be trivially > bypassed? How is it being bypassed? If it can be shown how what is there is insufficient, then it'll have to be fixed. I'm just not seeing it yet. > Security has not been improved. It is better not to provide > a supposed feature than to offer it up so riddled with holes as to make > it pointless. Some would say it's better to show what you've got, let others point out the faults, and fix them. How else will anything ever get done... -serge - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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