{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2026-64228",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-64228",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-07-24T15:23:11.510Z",
    "updatedAt": "2026-07-24T15:23:11.510Z",
    "importedAt": "2026-10-24T01:58:25.636Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "net: ethtool: phy: avoid NULL deref when PHY driver is unbound",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethtool: phy: avoid NULL deref when PHY driver is unbound\n\nphydev->drv can become NULL while the phy_device is still attached to\nits net_device, namely after the PHY driver is unbound via sysfs:\n\n\techo <mdio_id> > /sys/bus/mdio_bus/drivers/<phy_drv>/unbind\n\nphy_remove() clears phydev->drv but doesn't call phy_detach(), so the\nphy_device stays in the link topology xarray and ethnl_req_get_phydev()\nstill hands it back. ETHTOOL_MSG_PHY_GET then oopses on:\n\n\trep_data->drvname = kstrdup(phydev->drv->name, GFP_KERNEL);\n\ndrvname is already treated as optional by phy_reply_size(),\nphy_fill_reply() and phy_cleanup_data(), so just skip the allocation\nwhen there is no driver bound.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "9dd2ad5e92b962d1349a7541d167e8e214e49f95",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3586924625559e6f9876d726c80ff0a75f0d5849"
            },
            {
              "version": "9dd2ad5e92b962d1349a7541d167e8e214e49f95",
              "status": "affected",
              "versionType": "git",
              "lessThan": "17fe2381f967d353183f374a1c0181a6d194158c"
            },
            {
              "version": "9dd2ad5e92b962d1349a7541d167e8e214e49f95",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e3adf69f8eb121a9128c2b0029efd050d3649153"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.16",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.16"
            },
            {
              "version": "6.18.34",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.0.11",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.0.*"
            },
            {
              "version": "7.1",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}