diff --git a/poky/meta/classes/cve-check.bbclass b/poky/meta/classes/cve-check.bbclass
index d843e7c..112ee33 100644
--- a/poky/meta/classes/cve-check.bbclass
+++ b/poky/meta/classes/cve-check.bbclass
@@ -53,6 +53,16 @@
 #
 CVE_CHECK_WHITELIST ?= ""
 
+# Layers to be excluded
+CVE_CHECK_LAYER_EXCLUDELIST ??= ""
+
+# Layers to be included 
+CVE_CHECK_LAYER_INCLUDELIST ??= ""
+
+
+# set to "alphabetical" for version using single alphabetical character as increament release
+CVE_VERSION_SUFFIX ??= ""
+
 python cve_save_summary_handler () {
     import shutil
     import datetime
@@ -206,10 +216,11 @@
     """
     Connect to the NVD database and find unpatched cves.
     """
-    from distutils.version import LooseVersion
+    from oe.cve_check import Version
 
     pn = d.getVar("PN")
     real_pv = d.getVar("PV")
+    suffix = d.getVar("CVE_VERSION_SUFFIX")
 
     cves_unpatched = []
     # CVE_PRODUCT can contain more than one product (eg. curl/libcurl)
@@ -263,8 +274,8 @@
                 else:
                     if operator_start:
                         try:
-                            vulnerable_start =  (operator_start == '>=' and LooseVersion(pv) >= LooseVersion(version_start))
-                            vulnerable_start |= (operator_start == '>' and LooseVersion(pv) > LooseVersion(version_start))
+                            vulnerable_start =  (operator_start == '>=' and Version(pv,suffix) >= Version(version_start,suffix))
+                            vulnerable_start |= (operator_start == '>' and Version(pv,suffix) > Version(version_start,suffix))
                         except:
                             bb.warn("%s: Failed to compare %s %s %s for %s" %
                                     (product, pv, operator_start, version_start, cve))
@@ -274,8 +285,8 @@
 
                     if operator_end:
                         try:
-                            vulnerable_end  = (operator_end == '<=' and LooseVersion(pv) <= LooseVersion(version_end))
-                            vulnerable_end |= (operator_end == '<' and LooseVersion(pv) < LooseVersion(version_end))
+                            vulnerable_end  = (operator_end == '<=' and Version(pv,suffix) <= Version(version_end,suffix) )
+                            vulnerable_end |= (operator_end == '<' and Version(pv,suffix) < Version(version_end,suffix) )
                         except:
                             bb.warn("%s: Failed to compare %s %s %s for %s" %
                                     (product, pv, operator_end, version_end, cve))
@@ -330,7 +341,20 @@
     CVE manifest if enabled.
     """
 
+
     cve_file = d.getVar("CVE_CHECK_LOG")
+    fdir_name  = d.getVar("FILE_DIRNAME")
+    layer = fdir_name.split("/")[-3]
+
+    include_layers = d.getVar("CVE_CHECK_LAYER_INCLUDELIST").split()
+    exclude_layers = d.getVar("CVE_CHECK_LAYER_EXCLUDELIST").split()
+
+    if exclude_layers and layer in exclude_layers:
+        return
+
+    if include_layers and layer not in include_layers:
+        return
+
     nvd_link = "https://web.nvd.nist.gov/view/vuln/detail?vulnId="
     write_string = ""
     unpatched_cves = []
@@ -340,6 +364,7 @@
         is_patched = cve in patched
         if is_patched and (d.getVar("CVE_CHECK_REPORT_PATCHED") != "1"):
             continue
+        write_string += "LAYER: %s\n" % layer
         write_string += "PACKAGE NAME: %s\n" % d.getVar("PN")
         write_string += "PACKAGE VERSION: %s%s\n" % (d.getVar("EXTENDPE"), d.getVar("PV"))
         write_string += "CVE: %s\n" % cve