CVE-2025-21638 | Linux Kernel up to 6.1.124/6.6.71/6.12.9/6.13-rc6 sysctl null pointer dereference (Nessus ID 215144 / WID-SEC-2025-0119)
A vulnerability was found in Linux Kernel up to 6.1.124/6.6.71/6.12.9/6.13-rc6. It has been declared as critical. Impacted is an unknown function of the component sysctl. Such manipulation leads to null pointer dereference.
This vulnerability is referenced as CVE-2025-21638. The attack needs to be initiated within the local network. No exploit is available.
It is recommended to upgrade the affected component.