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authorsfu5 <sfu5@6f19259b-4bc3-4df7-8a09-765794883524>2012-07-17 08:07:29 +0000
committersfu5 <sfu5@6f19259b-4bc3-4df7-8a09-765794883524>2012-07-17 08:07:29 +0000
commiteb96e4f281dd7c5b07979e3b3ae9bd67c93e9362 (patch)
treee0468fb84a005e4063f5bc34adf61e70bd3c2b86 /MdeModulePkg
parente94728b359f4e20da7fdef88a1d5123327557655 (diff)
downloadedk2-platforms-eb96e4f281dd7c5b07979e3b3ae9bd67c93e9362.tar.xz
Fix a buffer overflow bug in VariableSmm driver.
Signed-off-by: Fu Siyuan <siyuan.fu@intel.com> Reviewed-by: Dong Guo <guo.dong@intel.com> Reviewed-by: Zhang, Chao <chao.b.zhang@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13534 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg')
-rw-r--r--MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmm.c b/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmm.c
index d4403a2530..f11300b96a 100644
--- a/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmm.c
+++ b/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmm.c
@@ -319,7 +319,7 @@ SmmVariableGetStatistics (
}
StatisticsInfoSize = sizeof (VARIABLE_INFO_ENTRY) + StrSize (VariableInfo->Name);
- if (*InfoSize < sizeof (VARIABLE_INFO_ENTRY)) {
+ if (*InfoSize < StatisticsInfoSize) {
*InfoSize = StatisticsInfoSize;
return EFI_BUFFER_TOO_SMALL;
}