dmaengine: dw: dmamux: fix OF node leak on route allocation failure

{
  "id": "88e9ced7b7e9012d2beeaacfe990bbd97596cd38407af9b53170124b1a31c4d2",
  "url": "https://osv.dev/vulnerability/CVE-2025-71189",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "dmaengine: dw: dmamux: fix OF node leak on route allocation failure",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: dmaengine: dw: dmamux: fix OF node leak on route allocation failure Make sure to drop the reference taken to the DMA master OF node also on late route allocation failures.",
    "evidence": "osv:CVE-2025-71189",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
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            "value": "6.1.162",
            "evidence": "/affected/1/ranges"
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          {
            "value": "6.6.122",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.67",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.18.7",
            "evidence": "/affected/1/ranges"
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        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2025-71189",
      "aliases": [
        "CVE-2025-71189"
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      "affected": [
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                  "fixed": "6b87288581a0fcbe54b39da5c10e1aee2df8776e"
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                {
                  "fixed": "db7c79c1bbfb1b0184e78a17ac2bd0f2bc3134d1"
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                {
                  "fixed": "8f7a391211381ed2f6802032c78c7820d166bc49"
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                {
                  "fixed": "eabe40f8a53c29f531e92778ea243e379f4f7978"
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                  "fixed": "ec25e60f9f95464aa11411db31d0906b3fb7b9f2"
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          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-71189.json"
          }
        },
        {
          "ranges": [
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              "type": "ECOSYSTEM",
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                  "introduced": "5.19.0"
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            {
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                  "introduced": "6.2.0"
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                {
                  "fixed": "6.6.122"
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            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
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                {
                  "fixed": "6.12.67"
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              ]
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            {
              "type": "ECOSYSTEM",
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                  "introduced": "6.13.0"
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                {
                  "fixed": "6.18.7"
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          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-71189.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:48.890603001Z",
      "provider": "osv",
      "references": [
        "https://cert-portal.siemens.com/productcert/html/ssa-019113.html",
        "https://cert-portal.siemens.com/productcert/html/ssa-253495.html",
        "https://cert-portal.siemens.com/productcert/html/ssa-457936.html",
        "https://git.kernel.org/stable/c/6b87288581a0fcbe54b39da5c10e1aee2df8776e",
        "https://git.kernel.org/stable/c/8f7a391211381ed2f6802032c78c7820d166bc49",
        "https://git.kernel.org/stable/c/db7c79c1bbfb1b0184e78a17ac2bd0f2bc3134d1",
        "https://git.kernel.org/stable/c/eabe40f8a53c29f531e92778ea243e379f4f7978",
        "https://git.kernel.org/stable/c/ec25e60f9f95464aa11411db31d0906b3fb7b9f2",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71189.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-71189",
        "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/2025/71xxx/CVE-2025-71189.json"
      }
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    "related_cves": [
      {
        "value": "CVE-2025-71189",
        "evidence": "/id"
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    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 516797,
  "published_at": "2026-01-31T11:42:00.345+00:00"
}