CVE-2025-38726 (GCVE-0-2025-38726)
Vulnerability from cvelistv5
Published
2025-09-04 15:33
Modified
2025-09-29 05:56
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: net: ftgmac100: fix potential NULL pointer access in ftgmac100_phy_disconnect After the call to phy_disconnect() netdev->phydev is reset to NULL. So fixed_phy_unregister() would be called with a NULL pointer as argument. Therefore cache the phy_device before this call.
References
Impacted products
Vendor Product Version
Linux Linux Version: e24a6c874601efb3de6e535895dd8e4f56fa98f1
Version: e24a6c874601efb3de6e535895dd8e4f56fa98f1
Version: e24a6c874601efb3de6e535895dd8e4f56fa98f1
Version: e24a6c874601efb3de6e535895dd8e4f56fa98f1
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{
  "containers": {
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          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/faraday/ftgmac100.c"
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          "vendor": "Linux",
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          "vendor": "Linux",
          "versions": [
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              "version": "6.12"
            },
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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              "versionType": "original_commit_for_fix"
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      ],
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              "negate": false,
              "operator": "OR"
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ftgmac100: fix potential NULL pointer access in ftgmac100_phy_disconnect\n\nAfter the call to phy_disconnect() netdev-\u003ephydev is reset to NULL.\nSo fixed_phy_unregister() would be called with a NULL pointer as argument.\nTherefore cache the phy_device before this call."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-29T05:56:52.401Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/ae59ec969c07c73f0610f8bd7e648f01e798d222"
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        },
        {
          "url": "https://git.kernel.org/stable/c/e88fbc30dda1cb7438515303704ceddb3ade4ecd"
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      ],
      "title": "net: ftgmac100: fix potential NULL pointer access in ftgmac100_phy_disconnect",
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  },
  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38726",
    "datePublished": "2025-09-04T15:33:24.527Z",
    "dateReserved": "2025-04-16T04:51:24.033Z",
    "dateUpdated": "2025-09-29T05:56:52.401Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
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  }
}


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