{
  "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-2026-98282",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-98282",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-10-06T08:45:43.775Z",
    "updatedAt": "2026-10-19T09:16:53.780Z",
    "importedAt": "2026-10-24T01:58:41.756Z",
    "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": "powerpc/iommu: Fix the overflow validation in iommu_tce_check_ioba",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/iommu: Fix the overflow validation in iommu_tce_check_ioba\n\nThe commit b1af23d836f8 (\"KVM: PPC: iommu: Unify TCE checking\") unified\nIOBA parameter checking across KVM and VFIO into iommu_tce_check_ioba().\nWhile doing so, the passed in argument npages is ignored and constant\nvalue '1' is used leaving out a possible overflow as the callers can\nlegitimately be using npages > 1 for H_STUFF_TCE or H_PUT_TCE_INDIRECT\ncases.\n\nFix this by accounting for 'npages', checking for arithmetic overflow,\nand verifying that the entire requested range (ioba - offset + npages)\ndoes not exceed the table capacity 'size'.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "b1af23d836f811137d504d14d4cbdd01929dec34",
              "status": "affected",
              "versionType": "git",
              "lessThan": "98d8dcc4ebd10523507d4478e148809a7771a213"
            },
            {
              "version": "b1af23d836f811137d504d14d4cbdd01929dec34",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9fd9c9bbb05417f468a11fb6d145d7ff61f4a868"
            },
            {
              "version": "b1af23d836f811137d504d14d4cbdd01929dec34",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3776bf56e06980e8a12c8c0565d9e6ac44965f03"
            },
            {
              "version": "b1af23d836f811137d504d14d4cbdd01929dec34",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d6a1779129d936bc1fbab80181165da544eab736"
            },
            {
              "version": "b1af23d836f811137d504d14d4cbdd01929dec34",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d48ceb6e1a6915c7bac4f902554a1047365cdff2"
            },
            {
              "version": "b1af23d836f811137d504d14d4cbdd01929dec34",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0543813753ef5cfbd6fa96694f7acf783fa01af7"
            },
            {
              "version": "b1af23d836f811137d504d14d4cbdd01929dec34",
              "status": "affected",
              "versionType": "git",
              "lessThan": "314091243159f8e3749bc719bb129f423f72fd86"
            },
            {
              "version": "b1af23d836f811137d504d14d4cbdd01929dec34",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0b271f7d7f5ed45bc498a03ce0aa9cfd8402fc71"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.12",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.12"
            },
            {
              "version": "5.10.271",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.222",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.189",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.158",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.112",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.54",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.2.8",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "version": "7.3",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}