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From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: Tadeusz Struk <tadeusz.struk@intel.com>
Cc: jgg@ziepe.ca, linux-integrity@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-security-module@vger.kernel.org
Subject: Re: [PATCH] tpm: fix race condition in tpm_common_write()
Date: Wed, 23 May 2018 16:23:18 +0300	[thread overview]
Message-ID: <20180523132318.GE363@linux.intel.com> (raw)
In-Reply-To: <152701036671.19968.17347263774570787595.stgit@tstruk-mobl1.jf.intel.com>

On Tue, May 22, 2018 at 10:32:46AM -0700, Tadeusz Struk wrote:
> There is a race condition in tpm_common_write function allowing two
> threads on the same /dev/tpm<N>, or two different applications on
> the same /dev/tpmrm<N> to overwrite eachother requests/responses.
> 
> Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>

Ouch o_O Do you have a fixes tag for this one?

Thank you.

Reviewed-by: Jarkko Sakkien <jarkko.sakkinen@linux.intel.com>

/Jarkko

WARNING: multiple messages have this Message-ID (diff)
From: jarkko.sakkinen@linux.intel.com (Jarkko Sakkinen)
To: linux-security-module@vger.kernel.org
Subject: [PATCH] tpm: fix race condition in tpm_common_write()
Date: Wed, 23 May 2018 16:23:18 +0300	[thread overview]
Message-ID: <20180523132318.GE363@linux.intel.com> (raw)
In-Reply-To: <152701036671.19968.17347263774570787595.stgit@tstruk-mobl1.jf.intel.com>

On Tue, May 22, 2018 at 10:32:46AM -0700, Tadeusz Struk wrote:
> There is a race condition in tpm_common_write function allowing two
> threads on the same /dev/tpm<N>, or two different applications on
> the same /dev/tpmrm<N> to overwrite eachother requests/responses.
> 
> Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>

Ouch o_O Do you have a fixes tag for this one?

Thank you.

Reviewed-by: Jarkko Sakkien <jarkko.sakkinen@linux.intel.com>

/Jarkko
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  parent reply	other threads:[~2018-05-23 13:23 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-22 17:32 [PATCH] tpm: fix race condition in tpm_common_write() Tadeusz Struk
2018-05-22 20:07 ` Jason Gunthorpe
2018-05-22 20:26   ` Tadeusz Struk
2018-05-23 13:23 ` Jarkko Sakkinen [this message]
2018-05-23 13:23   ` Jarkko Sakkinen
2018-05-23 17:57   ` Tadeusz Struk
2018-05-23 17:57     ` Tadeusz Struk
2018-05-23 19:41     ` Jason Gunthorpe
2018-05-23 19:41       ` Jason Gunthorpe
2018-05-30 11:01       ` Jarkko Sakkinen
2018-05-30 11:01         ` Jarkko Sakkinen
2018-05-30 11:01     ` Jarkko Sakkinen
2018-05-30 11:01       ` Jarkko Sakkinen
  -- strict thread matches above, loose matches on Subject: below --
2018-08-08 12:35 Jarkko Sakkinen
2018-08-10 14:10 ` Greg KH
2018-08-10 16:44   ` Jarkko Sakkinen

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