CVE-2025-21709 | Linux Kernel up to 6.13.1 mm/mmap.c dup_mmap allocation of resources (Nessus ID 237679 / WID-SEC-2025-0453)

A vulnerability described as problematic has been identified in Linux Kernel up to 6.13.1. Impacted is the function dup_mmap of the file mm/mmap.c. Such manipulation leads to allocation of resources. This vulnerability is traded as CVE-2025-21709. Access to the local network is required for this attack to succeed. There is no exploit available. Upgrading the affected component is recommended.