A vulnerability was found in Linux Kernel up to 6.1.124/6.6.71/6.12.9/6.13-rc6. It has been classified as critical. This affects an unknown part of the component sysctl. The manipulation leads to null pointer dereference.
This vulnerability is uniquely identified as CVE-2025-21638. The attack needs to be approached within the local network. There is no exploit available.
It is recommended to upgrade the affected component.