CVE-2022-50820

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> perf/arm_dmc620: Fix hotplug callback leak in dmc620_pmu_init()<br /> <br /> dmc620_pmu_init() won&amp;#39;t remove the callback added by<br /> cpuhp_setup_state_multi() when platform_driver_register() failed. Remove<br /> the callback by cpuhp_remove_multi_state() in fail path.<br /> <br /> Similar to the handling of arm_ccn_init() in commit 26242b330093 ("bus:<br /> arm-ccn: Prevent hotplug callback leak")