19Oca
CVE-2025-21640 | Linux Kernel up to 6.1.124/6.6.71/6.12.9/6.13-rc6 cookie_hmac_alg null pointer dereference
A vulnerability classified as critical was found in Linux Kernel up to 6.1.124/6.6.71/6.12.9/6.13-rc6. Affected by this vulnerability is an unknown functionality of the component cookie_hmac_alg. The manipulation leads to null pointer dereference. This vulnerability is known as CVE-2025-21640. The attack needs to be initiated within the local network. There is no exploit available. It is recommended to upgrade the affected component.