{"id":"CVE-2022-50820","summary":"perf/arm_dmc620: Fix hotplug callback leak in dmc620_pmu_init()","details":"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\")","modified":"2026-08-12T03:30:34.931222592Z","published":"2025-12-30T12:08:34.894Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50820.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/adf7c3bbcc819db6e95b6a61c9822230f0ef4778"},{"type":"WEB","url":"https://git.kernel.org/stable/c/af170afa97e50d4169cfaa7ff4ec5d3841182641"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b99fbe8d949a99fe456f08c7aad421327685aa50"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d9f564c966e63925aac4ba273a9319d7fb6f4b4e"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50820.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-50820"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"53c218da220c3619b5befec4674ffa35d590092a"},{"fixed":"b99fbe8d949a99fe456f08c7aad421327685aa50"},{"fixed":"af170afa97e50d4169cfaa7ff4ec5d3841182641"},{"fixed":"adf7c3bbcc819db6e95b6a61c9822230f0ef4778"},{"fixed":"d9f564c966e63925aac4ba273a9319d7fb6f4b4e"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-50820.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.86"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.0.16"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.1.0"},{"fixed":"6.1.2"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-50820.json"}}],"schema_version":"1.9.0"}