CVE-2026-14697

netipv6sendns in subsys/net/ip/ipv6nbr.c allocates a transmit netpkt for a Neighbor Solicitation. When it is called with a data packet pending on an unresolved neighbor and that neighbor's pendingqueue is already non-empty an NS is already outstanding, the function appends the data packet and...

CVE-2026-14697

CVE-2026-14697 is a packet-leak denial-of-service in Zephyr RTOS . The function net_ipv6_send_ns() in subsys/net/ip/ipv6_nbr.c permanently leaks a transmit net_pkt when called with a data packet pending on an unresolved neighbor whose pending_queue is already non-empty: it appends the data packet...

CVE-2026-14697 IPv6 Neighbor Solicitation packet leak causes TX pool exhaustion denial of service

netipv6sendns in subsys/net/ip/ipv6nbr.c allocates a transmit netpkt for a Neighbor Solicitation. When it is called with a data packet pending on an unresolved neighbor and that neighbor's pendingqueue is already non-empty an NS is already outstanding, the function appends the data packet and...

CVE-2026-14697 IPv6 Neighbor Solicitation packet leak causes TX pool exhaustion denial of service

netipv6sendns in subsys/net/ip/ipv6nbr.c allocates a transmit netpkt for a Neighbor Solicitation. When it is called with a data packet pending on an unresolved neighbor and that neighbor's pendingqueue is already non-empty an NS is already outstanding, the function appends the data packet and...

PT-2026-83972

net ipv6 send ns in subsys/net/ip/ipv6 nbr.c allocates a transmit net pkt for a Neighbor Solicitation. When it is called with a data packet pending on an unresolved neighbor and that neighbor's pending queue is already non-empty an NS is already outstanding, the function appends the data packet a...

CVE-2026-12999 Infineon Airoc Wi-Fi driver leaks TX buffers on send failure, leading to permanent pool exhaustion

The Infineon Airoc Wi-Fi driver's transmit callback airocmgmtsend in drivers/wifi/infineon/airocwifi.c allocates a netbuf from the fixed airocpool for every outbound packet. When whdnetworksendethernetdata returns a synchronous failure, the underlying WHD library does not take ownership of the...