]> git.karo-electronics.de Git - linux-beck.git/commit
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)
committerJames Morris <jmorris@namei.org>
Thu, 22 Sep 2011 23:46:41 +0000 (09:46 +1000)
commit3321c07ae5068568cd61ac9f4ba749006a7185c9
treebcd169e21c2f71651ab840ee77152094db0c3deb
parent6b07d30aca7e52f2881b8c8c20c8a2cd28e8b3d3
TPM: Zero buffer after copying to userspace

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>
Cc: Stable Kernel <stable@kernel.org>
Signed-off-by: James Morris <jmorris@namei.org>
drivers/char/tpm/tpm.c