The series aims to mitigate the Bounds Check Bypass (CVE-2017-5753) issues within SMI handlers.
A more detailed explanation of the purpose of the series is under the 'Bounds check bypass mitigation' section of the below link: https://software.intel.com/security-software-guidance/insights/host-firmware-speculative-execution-side-channel-mitigation And the document at: https://software.intel.com/security-software-guidance/api-app/sites/default/files/337879-analyzing-potential-bounds-Check-bypass-vulnerabilities.pdf Cc: Ard Biesheuvel <[email protected]> Cc: Laszlo Ersek <[email protected]> Cc: Jiewen Yao <[email protected]> Cc: Michael D Kinney <[email protected]> Cc: Liming Gao <[email protected]> Cc: Star Zeng <[email protected]> Cc: Eric Dong <[email protected]> Hao Wu (5): MdePkg/BaseLib: Add new LoadFence API MdeModulePkg/FaultTolerantWrite:[CVE-2017-5753]Fix bounds check bypass MdeModulePkg/SmmLockBox: [CVE-2017-5753] Fix bounds check bypass MdeModulePkg/Variable: [CVE-2017-5753] Fix bounds check bypass UefiCpuPkg/PiSmmCpuDxeSmm: [CVE-2017-5753] Fix bounds check bypass MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteSmm.c | 2 ++ MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteSmm.inf | 1 + MdeModulePkg/Universal/LockBox/SmmLockBox/SmmLockBox.c | 2 ++ MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c | 1 + MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmm.c | 3 ++ MdePkg/Include/Library/BaseLib.h | 12 +++++++ MdePkg/Library/BaseLib/Arm/LoadFence.c | 26 ++++++++++++++ MdePkg/Library/BaseLib/BaseLib.inf | 4 +++ MdePkg/Library/BaseLib/Ebc/CpuBreakpoint.c | 15 +++++++- MdePkg/Library/BaseLib/Ia32/LoadFence.nasm | 37 +++++++++++++++++++ MdePkg/Library/BaseLib/X64/LoadFence.nasm | 38 ++++++++++++++++++++ UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c | 1 + 12 files changed, 141 insertions(+), 1 deletion(-) create mode 100644 MdePkg/Library/BaseLib/Arm/LoadFence.c create mode 100644 MdePkg/Library/BaseLib/Ia32/LoadFence.nasm create mode 100644 MdePkg/Library/BaseLib/X64/LoadFence.nasm -- 2.12.0.windows.1 _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
