[NTOSKRNL]

[reactos.git] / reactos / ntoskrnl / ex / sysinfo.c

diff --git a/reactos/ntoskrnl/ex/sysinfo.c b/reactos/ntoskrnl/ex/sysinfo.c
index 3589d65..6d99e0a 100644 (file)
--- a/reactos/ntoskrnl/ex/sysinfo.c
+++ b/reactos/ntoskrnl/ex/sysinfo.c
@@ -1080,6 +1080,12 @@ SSI_DEF(SystemFlagsInformation)
     {
         return STATUS_INFO_LENGTH_MISMATCH;
     }
+
+    if (!SeSinglePrivilegeCheck(SeDebugPrivilege, ExGetPreviousMode()))
+    {
+        return STATUS_ACCESS_DENIED;
+    }
+
     NtGlobalFlag = ((PSYSTEM_FLAGS_INFORMATION) Buffer)->Flags;
     return STATUS_SUCCESS;
 }
@@ -2434,7 +2440,7 @@ NtQuerySystemInformation(IN SYSTEM_INFORMATION_CLASS SystemInformationClass,
                                                             &ResultLength);
 
             /* Save the result length to the caller */
-            if (UnsafeResultLength)
+            if (NT_SUCCESS(FStatus) && UnsafeResultLength)
                 *UnsafeResultLength = ResultLength;
         }
     }