perf/smmuv3: Fix hotplug callback leak in arm_smmu_pmu_init()

{
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  "url": "https://osv.dev/vulnerability/CVE-2022-50510",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "perf/smmuv3: Fix hotplug callback leak in arm_smmu_pmu_init()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: perf/smmuv3: Fix hotplug callback leak in arm_smmu_pmu_init() arm_smmu_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\")",
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      "modified": "2026-10-28T02:30:31.508719334Z",
      "provider": "osv",
      "references": [
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        "https://git.kernel.org/stable/c/582babe17ea878ec1d76f30e03f3a6ce6e30eb91",
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        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50510.json",
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  "source_id": "core-osv",
  "document_id": 498374,
  "published_at": "2025-10-07T15:19:07.425+00:00"
}