diff --git a/src/btrCore.c b/src/btrCore.c
index d1d5967..b1b1649 100644
--- a/src/btrCore.c
+++ b/src/btrCore.c
@@ -74,6 +74,9 @@ int b_rdk_logger_enabled = 0;
 #define BTRCORE_GOOGLE_OUI_LENGTH 8
 #define BTCORE_DEFAULT_CONTROLLER_NAME "Game Controller"
 
+/* Prevent UAF during teardown */
+static gint gIsBtrCoreTerminating = 0;
+
 static char * BTRCORE_REMOTE_OUI_VALUES[] = {
     "20:44:41", //LC103
     "E8:0F:C8", //EC302
@@ -1482,10 +1485,21 @@ btrCore_PopulateListOfPairedDevices (
     stBTPairedDeviceInfo*   pstBTPairedDeviceInfo = NULL;
     stBTRCoreBTDevice       knownDevicesArr[BTRCORE_MAX_NUM_BT_DEVICES];
 
+    if (!apsthBTRCore) {
+        BTRCORELOG_WARN("apsthBTRCore is null\n");
+        return enBTRCoreNotInitialized;
+    }
 
-    if ((pstBTPairedDeviceInfo = g_malloc0(sizeof(stBTPairedDeviceInfo))) == NULL)
+    /* Prevent UAF during teardown is in progress */
+    if(g_atomic_int_get(&gIsBtrCoreTerminating)) {
+        BTRCORELOG_WARN("btrCore: Ignoring PopulateListOfPairedDevices during termination\n");
         return enBTRCoreFailure;
+    }
 
+    if ((pstBTPairedDeviceInfo = g_malloc0(sizeof(stBTPairedDeviceInfo))) == NULL) {
+        BTRCORELOG_WARN("btrCore: g_malloc0 failed\n");
+        return enBTRCoreFailure;
+    }
 
     pstBTPairedDeviceInfo->numberOfDevices = 0;
     for (i_idx = 0; i_idx < BT_MAX_NUM_DEVICE; i_idx++) {
@@ -1681,6 +1695,17 @@ btrCore_GetDeviceInfo (
     unsigned int            ui32NumOfDevices        = 0;
     unsigned int            ui32LoopIdx             = 0;
 
+    if (!apsthBTRCore) {
+        BTRCORELOG_WARN("apsthBTRCore is null\n");
+        return enBTRCoreNotInitialized;
+    }
+
+    /* Prevent UAF during teardown is in progress */
+    if(g_atomic_int_get(&gIsBtrCoreTerminating)) {
+        BTRCORELOG_WARN("btrCore: Ignoring btrCore_GetDeviceInfo during termination\n");
+        return enBTRCoreFailure;
+    }
+
     if (!apsthBTRCore->numOfPairedDevices) {
         BTRCORELOG_INFO ("Possibly the list is not populated; like booted and connecting\n");
         btrCore_PopulateListOfPairedDevices(apsthBTRCore, apsthBTRCore->curAdapterPath);    /* Keep the list upto date */
@@ -1849,6 +1874,17 @@ btrCore_GetDeviceInfoKnown (
     unsigned int            ui32NumOfDevices        = 0;
     unsigned int            ui32LoopIdx             = 0;
 
+    if (!apsthBTRCore) {
+        BTRCORELOG_WARN("apsthBTRCore is null\n");
+        return enBTRCoreNotInitialized;
+    }
+
+    /* Prevent UAF during teardown is in progress */
+    if(g_atomic_int_get(&gIsBtrCoreTerminating)) {
+        BTRCORELOG_WARN("btrCore: Ignoring btrCore_GetDeviceInfoKnown during termination\n");
+        return enBTRCoreFailure;
+    }
+
     if (!apsthBTRCore->numOfPairedDevices) {
         BTRCORELOG_INFO ("Possibly the list is not populated; like booted and connecting\n");
         btrCore_PopulateListOfPairedDevices(apsthBTRCore, apsthBTRCore->curAdapterPath); /* Keep the list upto date */
@@ -3524,6 +3560,8 @@ BTRCore_Init (
     }
     MEMSET_S(pstlhBTRCore, sizeof(stBTRCoreHdl), 0, sizeof(stBTRCoreHdl));
 
+    /* Reset the variable indicating btrCore is initialized, not terminating */
+    g_atomic_int_set(&gIsBtrCoreTerminating, 0);
 
     pstlhBTRCore->connHdl = BtrCore_BTInitGetConnection();
     if (!pstlhBTRCore->connHdl) {
@@ -3686,6 +3724,9 @@ BTRCore_DeInit (
 
     pstlhBTRCore = (stBTRCoreHdl*)hBTRCore;
 
+    /* Set Terminating variable when deinit is in progress. */
+    g_atomic_int_set(&gIsBtrCoreTerminating, 1);
+
     BTRCORELOG_INFO ("hBTRCore   =   %8p\n", hBTRCore);
 
     if (pstlhBTRCore->hidNameWaitInitialized) {
@@ -4639,6 +4680,12 @@ BTRCore_PairDevice (
         return enBTRCoreNotInitialized;
     }
 
+    /* Prevent UAF during teardown is in progress */
+    if(g_atomic_int_get(&gIsBtrCoreTerminating)) {
+        BTRCORELOG_WARN("btrCore: Ignoring accessing stBTRCoreHdl_p during termination\n");
+        return enBTRCoreFailure;
+    }
+
     pstlhBTRCore = (stBTRCoreHdl*)hBTRCore;
 
     if (aBTRCoreDevId < BTRCORE_MAX_NUM_BT_DISCOVERED_DEVICES) {
@@ -4751,6 +4798,12 @@ BTRCore_UnPairDevice (
         return enBTRCoreNotInitialized;
     }
 
+    /* Prevent UAF during teardown is in progress */
+    if(g_atomic_int_get(&gIsBtrCoreTerminating)) {
+        BTRCORELOG_WARN("btrCore: Ignoring accessing hBTRCore during termination\n");
+        return enBTRCoreFailure;
+    }
+
     pstlhBTRCore = (stBTRCoreHdl*)hBTRCore;
 
     if ((lenBTRCoreRet = btrCore_GetDeviceInfoKnown(pstlhBTRCore, aBTRCoreDevId, aenBTRCoreDevType,
@@ -4820,6 +4873,12 @@ BTRCore_GetListOfPairedDevices (
         return enBTRCoreInvalidArg;
     }
 
+    /* Prevent UAF during teardown is in progress */
+    if(g_atomic_int_get(&gIsBtrCoreTerminating)) {
+        BTRCORELOG_WARN("btrCore: Ignoring hBTRCore access during termination\n");
+        return enBTRCoreFailure;
+    }
+
     pstlhBTRCore = (stBTRCoreHdl*)hBTRCore;
 
     if (btrCore_PopulateListOfPairedDevices(pstlhBTRCore, pstlhBTRCore->curAdapterPath) == enBTRCoreSuccess) {
@@ -5028,6 +5087,12 @@ BTRCore_IsDeviceConnectable (
         return enBTRCoreNotInitialized;
     }
 
+    /* Prevent UAF during teardown is in progress */
+    if(g_atomic_int_get(&gIsBtrCoreTerminating)) {
+        BTRCORELOG_WARN("btrCore: ignoring accessing hBTRCore while termination\n");
+        return enBTRCoreFailure;
+    }
+
     pstlhBTRCore = (stBTRCoreHdl*)hBTRCore;
 
     if (!pstlhBTRCore->numOfPairedDevices) {
@@ -5400,6 +5465,12 @@ enBTRCoreRet BTRCore_refreshLEActionListForGamepads(tBTRCoreHandle hBTRCore)
         return enBTRCoreNotInitialized;
     }
 
+    /* Prevent UAF during teardown is in progress */
+    if(g_atomic_int_get(&gIsBtrCoreTerminating)) {
+        BTRCORELOG_WARN("btrCore: Ignoring BTRCore_refreshLEActionListForGamepads during termination\n");
+        return enBTRCoreFailure;
+    }
+
     if (btrCore_PopulateListOfPairedDevices(pstlhBTRCore, pstlhBTRCore->curAdapterPath) == enBTRCoreSuccess) {
         for (i32DevIdx = 0; i32DevIdx < pstlhBTRCore->numOfPairedDevices; i32DevIdx++) {
             //only refresh action list for LE gamepads
@@ -5464,6 +5535,12 @@ enBTRCoreRet BTRCore_clearLEActionListForGamepads(tBTRCoreHandle hBTRCore)
         return enBTRCoreNotInitialized;
     }
 
+    /* Prevent UAF during teardown is in progress */
+    if(g_atomic_int_get(&gIsBtrCoreTerminating)) {
+        BTRCORELOG_WARN("btrCore: Ignoring BTRCore_clearLEActionListForGamepads during termination\n");
+        return enBTRCoreFailure;
+    }
+
     if (btrCore_PopulateListOfPairedDevices(pstlhBTRCore, pstlhBTRCore->curAdapterPath) == enBTRCoreSuccess) {
         for (i32DevIdx = 0; i32DevIdx < pstlhBTRCore->numOfPairedDevices; i32DevIdx++) {
             //only refresh action list for LE gamepads