{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50820",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-30T12:06:07.131Z",
        "datePublished": "2025-12-30T12:08:34.894Z",
        "dateUpdated": "2026-05-11T19:25:45.031Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:25:45.031Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "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\")"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/perf/arm_dmc620_pmu.c"
                    ],
                    "versions": [
                        {
                            "version": "53c218da220c3619b5befec4674ffa35d590092a",
                            "lessThan": "b99fbe8d949a99fe456f08c7aad421327685aa50",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "53c218da220c3619b5befec4674ffa35d590092a",
                            "lessThan": "af170afa97e50d4169cfaa7ff4ec5d3841182641",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "53c218da220c3619b5befec4674ffa35d590092a",
                            "lessThan": "adf7c3bbcc819db6e95b6a61c9822230f0ef4778",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "53c218da220c3619b5befec4674ffa35d590092a",
                            "lessThan": "d9f564c966e63925aac4ba273a9319d7fb6f4b4e",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/perf/arm_dmc620_pmu.c"
                    ],
                    "versions": [
                        {
                            "version": "5.11",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.11",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.86",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.16",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.2",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.11",
                                    "versionEndExcluding": "5.15.86"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.11",
                                    "versionEndExcluding": "6.0.16"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.11",
                                    "versionEndExcluding": "6.1.2"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.11",
                                    "versionEndExcluding": "6.2"
                                }
                            ]
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                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/b99fbe8d949a99fe456f08c7aad421327685aa50"
                },
                {
                    "url": "https://git.kernel.org/stable/c/af170afa97e50d4169cfaa7ff4ec5d3841182641"
                },
                {
                    "url": "https://git.kernel.org/stable/c/adf7c3bbcc819db6e95b6a61c9822230f0ef4778"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d9f564c966e63925aac4ba273a9319d7fb6f4b4e"
                }
            ],
            "title": "perf/arm_dmc620: Fix hotplug callback leak in dmc620_pmu_init()",
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    }
}