news entry for subprocess double close fix.
diff --git a/Misc/NEWS b/Misc/NEWS
index aacf0e6..67bc8dc 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -32,6 +32,10 @@
Library
-------
+- subprocess: Prevent a possible double close of parent pipe fds when the
+ subprocess exec runs into an error. Prevent a regular multi-close of the
+ /dev/null fd when any of stdin, stdout and stderr was set to DEVNULL.
+
- Issue #16102: Make uuid._netbios_getnode() work again on Python 3.
- Issue #18109: os.uname() now decodes fields from the locale encoding, and