CVE-2025-21756 | Linux Kernel up to 6.6.78/6.12.15/6.13.3 lib/refcount.c bind use after free (EUVD-2025-5169 / Nessus ID 230792)
A vulnerability was found in Linux Kernel up to 6.6.78/6.12.15/6.13.3. It has been declared as critical. This impacts the function bind in the library lib/refcount.c. The manipulation results in use after free.
This vulnerability is reported as CVE-2025-21756. The attacker must have access to the local network to execute the attack. Moreover, an exploit is present.
It is recommended to upgrade the affected component.