Branch: refs/heads/master
Home: https://github.com/tianocore/edk2
Commit: 63923a5642e86f386a5c719a90cfc6a929ea9cb0
https://github.com/tianocore/edk2/commit/63923a5642e86f386a5c719a90cfc6a929ea9cb0
Author: Abhi Singh <[email protected]>
Date: 2023-07-10 (Mon, 10 Jul 2023)
Changed paths:
M MdeModulePkg/Universal/Variable/RuntimeDxe/TcgMorLockSmm.c
Log Message:
-----------
MdeModulePkg/Variable: TcgMorLockSmm Key Mismatch changes lock state
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4410
Inside TcgMorLockSmm.c, the SetVariableCheckHandlerMorLock() function
contains a scenario to prevent a possible dictionary attack on the MorLock
Key in accordance with the TCG Platform Reset Mitigation Spec v1.10.
The mechanism to prevent this attack must also change the MorLock Variable
Value to 0x01 to indicate Locked Without Key.
ASSERT_EFI_ERROR is added for error visibility since SetMorLockVariable
returns a status code
Cc: Jian J Wang <[email protected]>
Cc: Liming Gao <[email protected]>
Signed-off-by: Abhi Singh <[email protected]>
Acked-by: Michael Kubacki <[email protected]>
Reviewed-by: Liming Gao <[email protected]>
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