dmaengine: idxd: fix memory leak in error handling path of idxd_alloc

{
  "id": "4c82af46b98323a74eecf2b953dd792c3b480b50706a87eb28c095b4e6d4516f",
  "url": "https://osv.dev/vulnerability/CVE-2025-38015",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "dmaengine: idxd: fix memory leak in error handling path of idxd_alloc",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix memory leak in error handling path of idxd_alloc Memory allocated for idxd is not freed if an error occurs during idxd_alloc(). To fix it, free the allocated memory in the reverse order of allocation before exiting the function in case of an error.",
    "evidence": "osv:CVE-2025-38015",
    "products": [
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        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
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        "prerequisites": [],
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            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.92",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.30",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.14.8",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2025-38015",
      "aliases": [
        "CVE-2025-38015"
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                  "fixed": "868dbce755ec92855362d213f47e045a8388361a"
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          "package": {
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            "ecosystem": "Linux"
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          }
        }
      ],
      "modified": "2026-10-28T02:30:52.335604559Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/46a5cca76c76c86063000a12936f8e7875295838",
        "https://git.kernel.org/stable/c/4f005eb68890698e5abc6a3af04dab76f175c50c",
        "https://git.kernel.org/stable/c/64afd9a1f644b27661420257dcc007d5009c99dd",
        "https://git.kernel.org/stable/c/6e94a2c3e4c166cd2736ac225fba5889fb1e8ac0",
        "https://git.kernel.org/stable/c/868dbce755ec92855362d213f47e045a8388361a",
        "https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38015.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-38015",
        "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/2025/38xxx/CVE-2025-38015.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-38015",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 521080,
  "published_at": "2025-06-18T09:28:24.235+00:00"
}