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Mallicious code may use SmmFaultTolerantWriteHandler() to update some flash area...
authorlzeng14 <lzeng14@6f19259b-4bc3-4df7-8a09-765794883524>
Wed, 24 Apr 2013 09:33:48 +0000 (09:33 +0000)
committerlzeng14 <lzeng14@6f19259b-4bc3-4df7-8a09-765794883524>
Wed, 24 Apr 2013 09:33:48 +0000 (09:33 +0000)
commitf07268bd0fd23556bc8cdcd72f0410724c04de44
treea56cb065f1f74d3bef2bc841239240fd83104ee2tree
parent7aa54c140cf3f5da3d51e3eded8b1431612236a5commit | diff
Mallicious code may use SmmFaultTolerantWriteHandler() to update some flash area directly, like Variable region, so return EFI_ACCESS_DENIED after End Of Dxe in SmmFaultTolerantWriteHandler().
And add code to prevent InfoSize overflow.

Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14312 6f19259b-4bc3-4df7-8a09-765794883524
MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteSmm.c diff | blob | blame | history
MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteSmm.inf diff | blob | blame | history
MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteSmmDxe.inf diff | blob | blame | history
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