In the Linux kernel, the following vulnerability has been resolved: cpufreq: loongson3: Use rawsmpprocessorid() in doservicerequest() Use rawsmpprocessorid() instead of plain smpprocessorid() in doservicerequest(), otherwise we may get some errors with the driver enabled: BUG: using smpprocessorid() in preemptible [00000000] code: (udev-worker)/208 caller is loongson3cpufreqprobe+0x5c/0x250 [loongson3_cpufreq]