Re: [PATCH v5 6/7] tpm: ensure that the output of PCR read contains the correct digest size

On Wed, Nov 14, 2018 at 04:31:07PM +0100, Roberto Sassu wrote:

This patch protects against data corruption that could happen in the bus, by checking that that the digest size returned by the TPM during a PCR read matches the size of the algorithm passed to tpm2_pcr_read().

This check is performed after information about the PCR banks has been retrieved.

Signed-off-by: Roberto Sassu roberto.sassu@huawei.com Reviewed-by: Jarkko Sakkinen jarkko.sakkinen@linux.intel.com Cc: stable@vger.kernel.org

Missing fixes tag.

/Jarkko