1 files changed, 11 insertions, 2 deletions
diff --git a/crypto/rand/randfile.c b/crypto/rand/randfile.c
index 82f41637387b..b4854a4c4eab 100644
--- a/crypto/rand/randfile.c
+++ b/crypto/rand/randfile.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2024 The OpenSSL Project Authors. All Rights Reserved.
  *
  * Licensed under the Apache License 2.0 (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
@@ -16,6 +16,7 @@
 # include <sys/stat.h>
 #endif
 
+#include "e_os.h"
 #include "internal/cryptlib.h"
 
 #include <errno.h>
@@ -208,8 +209,16 @@ int RAND_write_file(const char *file)
          * should be restrictive from the start
          */
         int fd = open(file, O_WRONLY | O_CREAT | O_BINARY, 0600);
-        if (fd != -1)
+
+        if (fd != -1) {
             out = fdopen(fd, "wb");
+            if (out == NULL) {
+                close(fd);
+                ERR_raise_data(ERR_LIB_RAND, RAND_R_CANNOT_OPEN_FILE,
+                               "Filename=%s", file);
+                return -1;
+            }
+        }
     }
 #endif