CVE-2026-31415

CVE-2026-31415 affects Linux kernels where ipv6: ip6_datagram_send_ctl() accepts repeated IPV6_DSTOPTS, accumulating into a 16-bit opt_flen without deduplicating. This can cause opt_flen to wrap while dst1opt points to the last 2048-byte destination-options header, leading to under-headroom pushe...