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Open Source and information security mailing list archives
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Date: Fri, 07 Aug 2020 14:40:54 -0400 From: Mimi Zohar <zohar@...ux.ibm.com> To: James Morris <jmorris@...ei.org> Cc: James Bottomley <James.Bottomley@...senPartnership.com>, Deven Bowers <deven.desai@...ux.microsoft.com>, Pavel Machek <pavel@....cz>, Sasha Levin <sashal@...nel.org>, snitzer@...hat.com, dm-devel@...hat.com, tyhicks@...ux.microsoft.com, agk@...hat.com, paul@...l-moore.com, corbet@....net, nramas@...ux.microsoft.com, serge@...lyn.com, pasha.tatashin@...een.com, jannh@...gle.com, linux-block@...r.kernel.org, viro@...iv.linux.org.uk, axboe@...nel.dk, mdsakib@...rosoft.com, linux-kernel@...r.kernel.org, eparis@...hat.com, linux-security-module@...r.kernel.org, linux-audit@...hat.com, linux-fsdevel@...r.kernel.org, linux-integrity@...r.kernel.org, jaskarankhurana@...ux.microsoft.com Subject: Re: [dm-devel] [RFC PATCH v5 00/11] Integrity Policy Enforcement LSM (IPE) On Fri, 2020-08-07 at 13:31 -0400, Mimi Zohar wrote: > On Sat, 2020-08-08 at 02:41 +1000, James Morris wrote: > > On Thu, 6 Aug 2020, Mimi Zohar wrote: > > > > > On Thu, 2020-08-06 at 09:51 +1000, James Morris wrote: > > > > On Wed, 5 Aug 2020, Mimi Zohar wrote: > > > > > > > > > If block layer integrity was enough, there wouldn't have been a need > > > > > for fs-verity. Even fs-verity is limited to read only filesystems, > > > > > which makes validating file integrity so much easier. From the > > > > > beginning, we've said that fs-verity signatures should be included in > > > > > the measurement list. (I thought someone signed on to add that support > > > > > to IMA, but have not yet seen anything.) > > > > > > > > > > Going forward I see a lot of what we've accomplished being incorporated > > > > > into the filesystems. When IMA will be limited to defining a system > > > > > wide policy, I'll have completed my job. > > > > > > > > What are your thoughts on IPE being a standalone LSM? Would you prefer to > > > > see its functionality integrated into IMA? > > > > > > Improving the integrity subsystem would be preferred. > > > > > > > Are you planning to attend Plumbers? Perhaps we could propose a BoF > > session on this topic. > > That sounds like a good idea. Other than it is already sold out. Mimi
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