Commit 652b7f6f authored Dec 22, 2023 by Jukka Rissanen Committed by Chris Friedt Jan 09, 2024

net: ipv6: Check that received src address is not mine



Drop received packet if the source address is the same as
the device address.

Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>
(cherry picked from commit 8d3d48e0)

parent 32748c69

subsys/net/ip/ipv6.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -488,6 +488,11 @@ enum net_verdict net_ipv6_input(struct net_pkt *pkt, bool is_loopback)
		NET_DBG("DROP: invalid scope multicast packet");
		goto drop;
		}

		if (net_ipv6_is_my_addr(&hdr->src)) {
		NET_DBG("DROP: src addr is %s", "mine");
		goto drop;
		}
		}

		/* Check extension headers */

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