ASoC: audio-graph-card: fix refcount leak of cpu_ep in __graph_for_each_link()

{
  "id": "46d5c321305f072ed384d002b6ce3a3547d508bc4f3c390fb529f4f3cfd189b1",
  "url": "https://osv.dev/vulnerability/CVE-2022-50572",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ASoC: audio-graph-card: fix refcount leak of cpu_ep in __graph_for_each_link()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: ASoC: audio-graph-card: fix refcount leak of cpu_ep in __graph_for_each_link() The of_get_next_child() returns a node with refcount incremented, and decrements the refcount of prev. So in the error path of the while loop, of_node_put() needs be called for cpu_ep.",
    "evidence": "osv:CVE-2022-50572",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.4.229",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.10.163",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.86",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.0.16",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.2",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2022-50572",
      "aliases": [
        "CVE-2022-50572"
      ],
      "affected": [
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                  "fixed": "06c9d468c06806dab752eb8e72addbf3792c1023"
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                {
                  "fixed": "85eb5c952b7fe2d2059beaa4a4dd26688b25547b"
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                {
                  "fixed": "49dad92af6892f46851af989ef3aa7cd7316c389"
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                {
                  "fixed": "4cc8431ec77a43ea106d8bde0860c61cfdda1cd0"
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                {
                  "fixed": "8ab2d12c726f0fde0692fa5d81d8019b3dcd62d0"
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          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50572.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.1.0"
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                  "fixed": "5.4.229"
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            {
              "type": "ECOSYSTEM",
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                {
                  "introduced": "5.5.0"
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                {
                  "fixed": "5.10.163"
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            {
              "type": "ECOSYSTEM",
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                  "introduced": "5.11.0"
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          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50572.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:38.420109483Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/06c9d468c06806dab752eb8e72addbf3792c1023",
        "https://git.kernel.org/stable/c/49dad92af6892f46851af989ef3aa7cd7316c389",
        "https://git.kernel.org/stable/c/4cc8431ec77a43ea106d8bde0860c61cfdda1cd0",
        "https://git.kernel.org/stable/c/85eb5c952b7fe2d2059beaa4a4dd26688b25547b",
        "https://git.kernel.org/stable/c/8ab2d12c726f0fde0692fa5d81d8019b3dcd62d0",
        "https://git.kernel.org/stable/c/ed1376f771404917c2ec3ebc617431ec01146134",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50572.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-50572",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50572.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-50572",
        "evidence": "/id"
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    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 505872,
  "published_at": "2025-10-22T13:23:27.813+00:00"
}