From 37c63770d705bb45f867d9e88b587d45dffe736b Mon Sep 17 00:00:00 2001
From: Nguyen Trung Khanh <nguyentrungkhanh97@gmail.com>
Date: Sat, 4 Jul 2020 20:41:18 +0700
Subject: [PATCH] [NTOS:IO] Fix pool memory disclosure in
 IopQueueTargetDeviceEvent (#2966)

---
 ntoskrnl/io/pnpmgr/plugplay.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ntoskrnl/io/pnpmgr/plugplay.c b/ntoskrnl/io/pnpmgr/plugplay.c
index c1d5baa816a..96bac114d27 100644
--- a/ntoskrnl/io/pnpmgr/plugplay.c
+++ b/ntoskrnl/io/pnpmgr/plugplay.c
@@ -64,6 +64,7 @@ IopQueueTargetDeviceEvent(const GUID *Guid,
                                 TotalSize + FIELD_OFFSET(PNP_EVENT_ENTRY, Event));
     if (!EventEntry)
         return STATUS_INSUFFICIENT_RESOURCES;
+    RtlZeroMemory(EventEntry, TotalSize + FIELD_OFFSET(PNP_EVENT_ENTRY, Event));
 
     /* Fill the buffer with the event GUID */
     RtlCopyMemory(&EventEntry->Event.EventGuid,