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overflow.
Current code not check the CommunicationBuffer size before use it. Attacker can
read beyond the end of the (untrusted) commbuffer into controlled memory. Attacker
can get access outside of valid SMM memory regions. This patch add check before
use it.
bugz: https://bugzilla.tianocore.org/show_bug.cgi?id=198
Cc: Yao Jiewen <jiewen.yao@intel.com>
Cc: Wu Hao <hao.a.wu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Yao Jiewen <jiewen.yao@intel.com>
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This patch enhance OPAL password lib SMM communication by using fixed
SMM communication buffer.
Update OPAL password lib to consume EDKII_PI_SMM_COMMUNICATION_REGION_TABLE
as fixed communication buffer for SMM communication.
This is designed to meet Microsoft WSMT table definition on FIXED_COMM_BUFFERS
requirement.
Cc: Eric Dong <eric.dong@intel.com>
Cc: Feng Tian <feng.tian@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>
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APIs used to support opal password solution to trig opal command.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>
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