CVE-2022-50820

Updated on 30 Dec 2025

Severity

3.3 Low severity

Details

CVSS score
3.3

Overview

About vulnerability

In the Linux kernel, the following vulnerability has been resolved:

perf/arm_dmc620: Fix hotplug callback leak in dmc620_pmu_init()

dmc620_pmu_init() won’t remove the callback added by cpuhp_setup_state_multi() when platform_driver_register() failed. Remove the callback by cpuhp_remove_multi_state() in fail path.

Similar to the handling of arm_ccn_init() in commit 26242b330093 (“bus: arm-ccn: Prevent hotplug callback leak”)

Details

Affected product:
AlmaLinux 9.2 ESU , TuxCare 9.6 ESU
Affected packages:
kernel @ 5.14.0 (+1 more)

Fixes

KernelCare state

Live-patch status from KernelCare for each operating system.

Operating system Status Covered kernels
AlmaLinux 9.2 ESU Ready For Release