platform/x86/amd: Fix memory leak in wbrf_record()

{
  "id": "725d564fa62439a9e4f84fd9919a55389abb13c53b8cda177b6c74cc1283b50a",
  "url": "https://osv.dev/vulnerability/CVE-2026-23065",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "platform/x86/amd: Fix memory leak in wbrf_record()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: platform/x86/amd: Fix memory leak in wbrf_record() The tmp buffer is allocated using kcalloc() but is not freed if acpi_evaluate_dsm() fails. This causes a memory leak in the error path. Fix this by explicitly freeing the tmp buffer in the error handling path of acpi_evaluate_dsm().",
    "evidence": "osv:CVE-2026-23065",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.12.68",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.18.8",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2026-23065",
      "aliases": [
        "CVE-2026-23065"
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      "affected": [
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              "type": "GIT",
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                {
                  "fixed": "1a0072bd1f1e559eda3e91a24dbc51c9eb025c54"
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                  "fixed": "2bf1877b7094c684e1d652cac6912cfbc507ad3e"
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          "database_specific": {
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        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.8.0"
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                {
                  "fixed": "6.12.68"
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              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
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                  "introduced": "6.13.0"
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                {
                  "fixed": "6.18.8"
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          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-23065.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:24.780079330Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/1152dffe01af86e42ce2b208b92ef7f8c275d130",
        "https://git.kernel.org/stable/c/1a0072bd1f1e559eda3e91a24dbc51c9eb025c54",
        "https://git.kernel.org/stable/c/2bf1877b7094c684e1d652cac6912cfbc507ad3e",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23065.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-23065",
        "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/2026/23xxx/CVE-2026-23065.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-23065",
        "evidence": "/id"
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    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 491274,
  "published_at": "2026-02-04T16:07:47.077+00:00"
}