diff --git a/cfg/posix.cfg b/cfg/posix.cfg
index 3c633d32c..04b9e38e7 100644
--- a/cfg/posix.cfg
+++ b/cfg/posix.cfg
@@ -974,6 +974,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
   </function>
   <!-- ssize_t read(int fd, void *buf, size_t count); -->
   <function name="read">
+    <leak-ignore/>
     <arg nr="1">
       <not-uninit/>
     </arg>
@@ -987,6 +988,7 @@ The function 'mktemp' is considered to be dangerous due to race conditions and s
   <!-- ssize_t write(int fildes, const void *buf, size_t nbyte); -->
   <function name="write">
     <noreturn>false</noreturn>
+    <leak-ignore/>
     <arg nr="1">
       <not-uninit/>
     </arg>