CVE-2022-50510 perf/smmuv3: Fix hotplug callback leak in arm_smmu_pmu_init()
In the Linux kernel, the following vulnerability has been resolved: perf/smmuv3: Fix hotplug callback leak in armsmmupmuinit armsmmupmuinit won't remove the callback added by cpuhpsetupstatemulti when platformdriverregister failed. Remove the callback by cpuhpremovemultistate in fail path. Simila...