CVE-2025-21659 | Linux Kernel up to 6.12.9 napi_by_id Privilege Escalation

CVE-2025-21659 | Linux Kernel up to 6.12.9 napi_by_id Privilege Escalation

A vulnerability was found in Linux Kernel up to 6.12.9. It has been declared as problematic. Affected by this vulnerability is the function napi_by_id. The manipulation leads to Privilege Escalation. This vulnerability is known as CVE-2025-21659. 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.