diff --git a/scripts/valgrind.supp b/scripts/valgrind.supp
index 9719dce16f7..b161e09fa01 100644
--- a/scripts/valgrind.supp
+++ b/scripts/valgrind.supp
@@ -10,20 +10,28 @@
 {
    POSIX arch no thread cleanup
    Memcheck:Leak
-   match-leak-kinds: possible
+   match-leak-kinds: reachable,possible
    ...
-   fun:pthread_create*
    fun:posix_new_thread
+   fun:arch_new_thread
 }
 {
-   POSIX arch no cpu cleanup
+   POSIX soc no cpu cleanup
    Memcheck:Leak
-   match-leak-kinds: possible
+   match-leak-kinds: reachable
    ...
-   fun:pthread_create*
    fun:posix_boot_cpu
+   ...
    fun:main
 }
+{
+   POSIX arch no cpu cleanup
+   Memcheck:Leak
+   match-leak-kinds: reachable
+   ...
+   fun:nct_init
+   fun:posix_arch_init
+}
 {
    lvgl no cleanup
    Memcheck:Leak