CVE-2026-23442

The CVE-2026-23442 issue affects the Linux kernel’s IPv6 SRv6 handling. Specifically, __in6_dev_get() may return NULL when a device has no IPv6 configuration (e.g., MTU too small or after NETDEV_UNREGISTER), which could lead to NULL pointer dereferences in seg6_hmac_validate_skb() and ipv6_srh_rc...