Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1568788

Re: [tpmdd-devel] [RFC] tpm2-space: add handling for global session exhaustion

From Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Newsgroups linux.kernel
Subject Re: [tpmdd-devel] [RFC] tpm2-space: add handling for global session exhaustion
Date 2017-01-28 01:00 +0100
Message-ID <t4oAV-2e5-1@gated-at.bofh.it> (permalink)
References <t15l7-rI-1@gated-at.bofh.it> <t4mSt-1o8-7@gated-at.bofh.it> <t4mSt-1o8-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw

On Fri, Jan 27, 2017 at 02:04:59PM -0800, James Bottomley wrote:

> if I look at the code I've written, I don't know what the session
> number is, I just save sessionHandle in a variable for later use (lets
> say to v1).  If I got the same session number returned at a later time
> and placed it in v2, all I'd notice is that an authorization using v1
> would fail.

Is there any way that could be used to cause an op thinking it is
using v1 to authorize something it shouldn't?

Jason

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

[RFC] tpm2-space: add handling for global session exhaustion James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-01-18 21:50 +0100
  Re: [tpmdd-devel] [RFC] tpm2-space: add handling for global session  exhaustion Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-01-19 13:30 +0100
    Re: [tpmdd-devel] [RFC] tpm2-space: add handling for global session  exhaustion Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-01-19 13:50 +0100
      Re: [tpmdd-devel] [RFC] tpm2-space: add handling for global session  exhaustion James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-01-27 23:10 +0100
    Re: [tpmdd-devel] [RFC] tpm2-space: add handling for global session  exhaustion James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-01-19 14:10 +0100
      Re: [tpmdd-devel] [RFC] tpm2-space: add handling for global session  exhaustion Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-01-20 14:50 +0100
  Re: [tpmdd-devel] [RFC] tpm2-space: add handling for global session  exhaustion James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-01-27 23:10 +0100
    Re: [tpmdd-devel] [RFC] tpm2-space: add handling for global session  exhaustion James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-01-28 01:00 +0100
    Re: [tpmdd-devel] [RFC] tpm2-space: add handling for global session  exhaustion Jason Gunthorpe <jgunthorpe@obsidianresearch.com> - 2017-01-28 01:00 +0100
    Re: [RFC] tpm2-space: add handling for global session exhaustion Ken Goldman <kgoldman@us.ibm.com> - 2017-01-30 02:10 +0100
      Re: [tpmdd-devel] [RFC] tpm2-space: add handling for global session  exhaustion James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-01-30 17:20 +0100

csiph-web