CVE-2025-21959 | Linux Kernel up to 6.1.131/6.6.83/6.12.19/6.13.7 nf_conncount.c insert_tree initialization
A vulnerability was found in Linux Kernel up to 6.1.131/6.6.83/6.12.19/6.13.7. It has been declared as problematic. This vulnerability affects the function insert_tree of the file net/netfilter/nf_conncount.c. The manipulation leads to improper initialization.
This vulnerability was named CVE-2025-21959. Access to the local network is required for this attack to succeed. There is no exploit available.
It is recommended to upgrade the affected component.