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CVE-2025-21642 | Linux Kernel up to 6.6.71/6.12.9/6.13-rc6 sysctl null pointer dereference
A vulnerability was found in Linux Kernel up to 6.6.71/6.12.9/6.13-rc6. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component sysctl. The manipulation leads to null pointer dereference. This vulnerability is known as CVE-2025-21642. 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.