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-rw-r--r--src/platform/nm-linux-platform.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/platform/nm-linux-platform.c b/src/platform/nm-linux-platform.c
index 305ae52e..7abe4dfc 100644
--- a/src/platform/nm-linux-platform.c
+++ b/src/platform/nm-linux-platform.c
@@ -3937,6 +3937,7 @@ _nl_msg_new_address (int nlmsg_type,
 
 	if (   family == AF_INET
 	    && nlmsg_type != RTM_DELADDR
+	    && plen < 31 /* RFC 3021 */
 	    && address
 	    && *((in_addr_t *) address) != 0) {
 		in_addr_t broadcast;