In the Linux kernel, the following vulnerability has been resolved:cpufreq: CPPC: Fix possible null-ptr-deref for cppc_get_cpu_cost()cpufreq_cpu_get_raw() may return NULL if the cpu is not inpolicy->cpus cpu mask and it will cause null pointer dereference,so check NULL for cppc_get_cpu_cost().
No PoCs from references.
- https://github.com/cku-heise/euvd-api-doc
- https://github.com/w4zu/Debian_security