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(parent: 5fde0bd) | patch
TPM: Zero buffer after copying to userspace
authorPeter Huewe <huewe.external.infineon@googlemail.com>
Thu, 15 Sep 2011 17:47:42 +0000 (14:47 -0300)
committerPaul Gortmaker <paul.gortmaker@windriver.com>
Fri, 17 Aug 2012 19:35:18 +0000 (15:35 -0400)
commit48d97426c833bcf9eab80bd0099da50016108ad2
tree55c953e7eefa69899e0c7b89ed22e9ad21af9bb1tree | snapshot
parent5fde0bd53b45fb5ad654cd341617ccc1617f5ba3commit | diff
TPM: Zero buffer after copying to userspace

commit 3321c07ae5068568cd61ac9f4ba749006a7185c9 upstream.

Since the buffer might contain security related data it might be a good idea to
zero the buffer after we have copied it to userspace.

This got assigned CVE-2011-1162.

Signed-off-by: Rajiv Andrade <srajiv@linux.vnet.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
drivers/char/tpm/tpm.c diff | blob | history
Linux kernel for KaRo TX COM modules