drivers cpufreq pmac_cpufreq_init_MacRISC3 Heap Buffer Overflow DoS

The vulnerability of the function pmaccpufreqinitMacRISC3 in the driver/cpufreq/pmac32-cpufreq.c module is related to errors during the update of the link counters. Exploiting this vulnerability can allow an attacker to cause a system failure...

CVE-2022-49621: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: cpufreq: pmac32-cpufreq: Fix refcount leak bug In pmaccpufreqinitMacRISC3, we need to add corresponding ofnodeput for the three node pointers whose refcount have been incremented by offindnodebyname...