{
  "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-2026-92505",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-92505",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-09-17T16:10:17.389Z",
    "updatedAt": "2026-10-19T09:04:11.374Z",
    "importedAt": "2026-10-24T01:58:35.090Z",
    "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": "iommu/amd: Fix undefined behavior in devid_write debugfs function",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/amd: Fix undefined behavior in devid_write debugfs function\n\nWhen for_each_pci_segment() loop completes without finding a matching\nsegment, the pci_seg pointer is not NULL but points to an invalid memory\nlocation (the list head). Accessing pci_seg->id after the loop causes\nundefined behavior.\n\nFix this by handling the successful case inside the loop and returning\n-EINVAL after the loop if no matching segment is found.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "2e98940f123d9c69d4759078aea9a536244c98d3",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8aabe0fba01486b5d893e708b05a8fa7f1b7efbb"
            },
            {
              "version": "2e98940f123d9c69d4759078aea9a536244c98d3",
              "status": "affected",
              "versionType": "git",
              "lessThan": "99d42aef089a07cfb1d404a7227ac9dc7628b497"
            },
            {
              "version": "2e98940f123d9c69d4759078aea9a536244c98d3",
              "status": "affected",
              "versionType": "git",
              "lessThan": "843e149989665f8309ad2efe6048dc76591e1f94"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.17",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.17"
            },
            {
              "version": "6.18.52",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.2.6",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "version": "7.3",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}