CVE-2025-37831 cpufreq: apple-soc: Fix null-ptr-deref in apple_soc_cpufreq_get_rate()

In the Linux kernel, the following vulnerability has been resolved: cpufreq: apple-soc: Fix null-ptr-deref in applesoccpufreqgetrate cpufreqcpugetraw can return NULL when the target CPU is not present in the policy-cpus mask. applesoccpufreqgetrate does not check for this case, which results in a...