[NTOS:SE] Assign the captured SID and/or privileges to NULL manually on token filtering

This reverts 8479509 commit which pretty much does nothing at all (the captured pointer is NULL within the stack of the function has no effect outside of the function). My mistake, sorry.

ntoskrnl/se/priv.c

@@ -562,7 +562,6 @@ SeReleaseLuidAndAttributesArray(
         (PreviousMode != KernelMode || CaptureIfKernel))
     {
         ExFreePoolWithTag(Privilege, TAG_LUID);
-        Privilege = NULL;
     }
 }
 

ntoskrnl/se/sid.c

@@ -776,7 +776,6 @@ SeReleaseSidAndAttributesArray(
         ((AccessMode != KernelMode) || CaptureIfKernel))
     {
         ExFreePoolWithTag(CapturedSidAndAttributes, TAG_SID_AND_ATTRIBUTES);
-        CapturedSidAndAttributes = NULL;
     }
 }
 

ntoskrnl/se/token.c

@@ -6819,6 +6819,7 @@ Quit:
         SeReleaseSidAndAttributesArray(CapturedSids,
                                        PreviousMode,
                                        TRUE);
+        CapturedSids = NULL;
     }
 
     if (CapturedPrivileges != NULL)
@@ -6826,6 +6827,7 @@ Quit:
         SeReleaseLuidAndAttributesArray(CapturedPrivileges,
                                         PreviousMode,
                                         TRUE);
+        CapturedPrivileges = NULL;
     }
 
     if (CapturedRestrictedSids != NULL)
@@ -6833,6 +6835,7 @@ Quit:
         SeReleaseSidAndAttributesArray(CapturedRestrictedSids,
                                        PreviousMode,
                                        TRUE);
+        CapturedRestrictedSids = NULL;
     }
 
     return Status;