FKIE_CVE-2025-38726

Vulnerability from fkie_nvd - Published: 2025-09-04 16:15 - Updated: 2025-11-25 21:50
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/44bcd397ad9cd1a6b25fabb7f5edbee4fb0cfc2ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9ad90dd34b4e8e5be1e45a4559f4de0f14e53af2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ae59ec969c07c73f0610f8bd7e648f01e798d222Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e88fbc30dda1cb7438515303704ceddb3ade4ecdPatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
To clipboard 

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      "nodes": [
        {
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  "cveTags": [],
  "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."
    }
  ],
  "id": "CVE-2025-38726",
  "lastModified": "2025-11-25T21:50:39.817",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
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        "impactScore": 3.6,
        "source": "nvd@nist.gov",
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  "published": "2025-09-04T16:15:42.570",
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  "vulnStatus": "Analyzed",
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          "value": "CWE-476"
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      "source": "nvd@nist.gov",
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}


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