ALSA: hda: cs35l41: Fix NULL pointer dereference in cs35l41_hda_read_acpi()

{
  "id": "58a6bc6e5610617ff7288eabf805f903efadb9951ee3d0df682c28dea8143081",
  "url": "https://osv.dev/vulnerability/CVE-2025-68345",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ALSA: hda: cs35l41: Fix NULL pointer dereference in cs35l41_hda_read_acpi()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: cs35l41: Fix NULL pointer dereference in cs35l41_hda_read_acpi() The acpi_get_first_physical_node() function can return NULL, in which case the get_device() function also returns NULL, but this value is then dereferenced without checking,so add a check to prevent a crash. Found by Linux Verification Center (linuxtesting.org) with SVACE.",
    "evidence": "osv:CVE-2025-68345",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.1.160",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.120",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.64",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.17.13",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.18.2",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2025-68345",
      "aliases": [
        "CVE-2025-68345"
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                  "fixed": "e6ba921b17797ccc545d80e0dbccb5fab91c248c"
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              ]
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          "database_specific": {
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            "ecosystem": "Linux"
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          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-68345.json"
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        }
      ],
      "modified": "2026-10-28T02:30:48.023513943Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/343fa9800cf9870ec681e21f0a6f2157b74ae520",
        "https://git.kernel.org/stable/c/7a35a505d76a4b6cd426b59ff2d800d0394cc5d3",
        "https://git.kernel.org/stable/c/c28946b7409b7b68fb0481ec738c8b04578b11c6",
        "https://git.kernel.org/stable/c/c34b04cc6178f33c08331568c7fd25c5b9a39f66",
        "https://git.kernel.org/stable/c/e63f9c81ca28b06eeeac3630faddc50717897351",
        "https://git.kernel.org/stable/c/e6ba921b17797ccc545d80e0dbccb5fab91c248c",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68345.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-68345",
        "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/2025/68xxx/CVE-2025-68345.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-68345",
        "evidence": "/id"
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    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 515829,
  "published_at": "2025-12-24T10:32:38.378+00:00"
}