diff -up sblim-cmpi-base-1.6.4/OSBase_OperatingSystem.c.orig sblim-cmpi-base-1.6.4/OSBase_OperatingSystem.c
--- sblim-cmpi-base-1.6.4/OSBase_OperatingSystem.c.orig	2020-02-04 13:55:31.565801631 +0100
+++ sblim-cmpi-base-1.6.4/OSBase_OperatingSystem.c	2020-02-04 13:58:39.514189758 +0100
@@ -88,13 +88,21 @@ int get_operatingsystem_data( struct cim
     bytes_read = fread(buf, 1, sizeof(buf)-1, fhd);
     buf[bytes_read] = 0; /* safeguard end of buffer */
     ptr = strstr(buf,"MemTotal");
-    sscanf(ptr, "%*s %lld", &((*sptr)->totalPhysMem));
+    if( ptr != NULL ) {
+      sscanf(ptr, "%*s %lld", &((*sptr)->totalPhysMem));
+    }
     ptr = strstr(buf,"MemFree");
-    sscanf(ptr, "%*s %lld", &((*sptr)->freePhysMem));
+    if( ptr != NULL ) {
+      sscanf(ptr, "%*s %lld", &((*sptr)->freePhysMem));
+    }
     ptr = strstr(buf,"SwapTotal");
-    sscanf(ptr, "%*s %lld", &((*sptr)->totalSwapMem));
+    if( ptr != NULL ) {
+      sscanf(ptr, "%*s %lld", &((*sptr)->totalSwapMem));
+    }
     ptr = strstr(buf,"SwapFree");
-    sscanf(ptr, "%*s %lld", &((*sptr)->freeSwapMem));
+    if( ptr != NULL ) {
+      sscanf(ptr, "%*s %lld", &((*sptr)->freeSwapMem));
+    }
     fclose(fhd);
   }
   /* TotalVirtualMemorySize */
diff -up sblim-cmpi-base-1.6.4/OSBase_OperatingSystemStatisticalData.c.orig sblim-cmpi-base-1.6.4/OSBase_OperatingSystemStatisticalData.c
--- sblim-cmpi-base-1.6.4/OSBase_OperatingSystemStatisticalData.c.orig	2020-02-04 13:55:31.557801615 +0100
+++ sblim-cmpi-base-1.6.4/OSBase_OperatingSystemStatisticalData.c	2020-02-04 14:09:01.613474453 +0100
@@ -109,13 +109,15 @@ int get_queue_info_24(struct os_statisti
     if ((f = fopen("/proc/loadavg","r")) != NULL) {
         fgets(buf,127,f);
         strptr = strstr(buf,"/");
-        *strptr = '\0';
-        while (*strptr != ' ') {
-            strptr--;
+        if (strptr != NULL) {
+          *strptr = '\0';
+          while (*strptr != ' ') {
+              strptr--;
+          }
+          stats->run_queue_length = atoll(strptr);
+          res = 1;
         }
-        stats->run_queue_length = atoll(strptr);
         fclose(f);
-        res = 1;
     } else {
         _OSBASE_TRACE(1,("get_queue_info: could not open /proc/loadavg: %s",strerror(errno)));
     }
@@ -173,7 +175,8 @@ int get_cpu_page_data_24(struct os_stati
              *
              * page <in> <out>
             */
-            if (sscanf(strptr,"page %lld %lld",&pages_in, &pages_out) == 2) {
+            if (strptr != NULL &&
+                sscanf(strptr,"page %lld %lld",&pages_in, &pages_out) == 2) {
                 stats->pages_in = pages_in;
                 stats->pages_out = pages_out;
                 res = 1;