drm/amdgpu: Fix memory leak in amdgpu_acpi_enumerate_xcc()

{
  "id": "43a6bc1b2fe31fce9d77bd54df599e402ade2d1a48d28503e0d96e118e9ba906",
  "url": "https://osv.dev/vulnerability/CVE-2026-45947",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "drm/amdgpu: Fix memory leak in amdgpu_acpi_enumerate_xcc()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix memory leak in amdgpu_acpi_enumerate_xcc() In amdgpu_acpi_enumerate_xcc(), if amdgpu_acpi_dev_init() returns -ENOMEM, the function returns directly without releasing the allocated xcc_info, resulting in a memory leak. Fix this by ensuring that xcc_info is properly freed in the error paths. Compile tested only. Issue found using a prototype static analysis tool and code review.",
    "evidence": "osv:CVE-2026-45947",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
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            "value": "6.6.128",
            "evidence": "/affected/1/ranges"
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          {
            "value": "6.12.75",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.18.14",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.19.4",
            "evidence": "/affected/1/ranges"
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        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2026-45947",
      "aliases": [
        "CVE-2026-45947"
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              "type": "ECOSYSTEM",
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            "ecosystem": "Linux"
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      "modified": "2026-10-28T02:30:26.932000806Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/18a7bbd11f17a7cd4c42fd5955d3675d68c692df",
        "https://git.kernel.org/stable/c/7e4b612fe7a960d610c20260c9ee220bddd1b215",
        "https://git.kernel.org/stable/c/c9be63d565789b56ca7b0197e2cb78a3671f95a8",
        "https://git.kernel.org/stable/c/d1370ef2ecf7d4df25e3e1e430cd191b1e7f8596",
        "https://git.kernel.org/stable/c/e87c73a80a12d337cf5f493c0956f6c2c9eafd80",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45947.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-45947",
        "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/2026/45xxx/CVE-2026-45947.json"
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    },
    "related_cves": [
      {
        "value": "CVE-2026-45947",
        "evidence": "/id"
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    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 493160,
  "published_at": "2026-05-27T12:18:04.117+00:00"
}