CVE-2026-23439 | Linux Kernel up to 7.0-rc4 net/ipv4/fou_core.c udp_sock_create6 null pointer dereference
A vulnerability was found in Linux Kernel up to 7.0-rc4. It has been rated as critical. The impacted element is the function udp_sock_create6 of the file net/ipv4/fou_core.c. Performing a manipulation results in null pointer dereference.
This vulnerability is identified as CVE-2026-23439. The attack can only be performed from the local network. There is not any exploit available.
Upgrading the affected component is advised.