CVE-2026-10643

Zephyr CVE-2026-10643 affects the IP socket recvmsg() ancillary-data path (insert_pktinfo in subsys/net/lib/sockets/sockets_inet.c). A check only compared msg_controllen to pktinfo_len, omitting the cmsg header size, allowing an under-checked window (e.g., 16–27 bytes for IPv4 IP_PKTINFO on a 64‑...