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(parent: 108885c) | 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)
committerGreg Kroah-Hartman <gregkh@suse.de>
Mon, 3 Oct 2011 18:40:58 +0000 (11:40 -0700)
commit1d43a87614596faf4b9cae2d0c894aa67a7c5121
tree95dacb9911e577b4a4284f0951fc646eb8a48ee0tree | snapshot
parent108885cc2856128a266423d45f617e65961048f7commit | 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: Greg Kroah-Hartman <gregkh@suse.de>
drivers/char/tpm/tpm.c diff | blob | history
kernel
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