{"cve":"CVE-2022-50820","nvd":{"published":"2025-12-30T13:15:56.417","modified":"2026-06-17T05:24:14.733","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nperf/arm_dmc620: Fix hotplug callback leak in dmc620_pmu_init()\n\ndmc620_pmu_init() won't remove the callback added by\ncpuhp_setup_state_multi() when platform_driver_register() failed. Remove\nthe callback by cpuhp_remove_multi_state() in fail path.\n\nSimilar to the handling of arm_ccn_init() in commit 26242b330093 (\"bus:\narm-ccn: Prevent hotplug callback leak\")","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/adf7c3bbcc819db6e95b6a61c9822230f0ef4778","https://git.kernel.org/stable/c/af170afa97e50d4169cfaa7ff4ec5d3841182641","https://git.kernel.org/stable/c/b99fbe8d949a99fe456f08c7aad421327685aa50","https://git.kernel.org/stable/c/d9f564c966e63925aac4ba273a9319d7fb6f4b4e"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:18:08.089039631+00:00"},"epss":{"cve":"CVE-2022-50820","score":0.00238,"percentile":0.14864,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}