{
  "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-2026-31781",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-31781",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-05-01T14:15:07.933Z",
    "updatedAt": "2026-05-23T16:05:56.217Z",
    "importedAt": "2026-10-24T01:58:02.025Z",
    "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": "drm/ioc32: stop speculation on the drm_compat_ioctl path",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/ioc32: stop speculation on the drm_compat_ioctl path\n\nThe drm compat ioctl path takes a user controlled pointer, and then\ndereferences it into a table of function pointers, the signature method\nof spectre problems.  Fix this up by calling array_index_nospec() on the\nindex to the function pointer list.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "505b5240329b922f21f91d5b5d1e535c805eca6d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "46a60ee8956ef1975f00455f614761c7ecedc09d"
            },
            {
              "version": "505b5240329b922f21f91d5b5d1e535c805eca6d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5bb398991f378ef74d90b14a6ea8b61ff96cc03a"
            },
            {
              "version": "505b5240329b922f21f91d5b5d1e535c805eca6d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d59c5d8539662d95887b4564f3f72ad38076a2d5"
            },
            {
              "version": "505b5240329b922f21f91d5b5d1e535c805eca6d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "489f2ef2b908898d01df697dc4fe1476674be640"
            },
            {
              "version": "505b5240329b922f21f91d5b5d1e535c805eca6d",
              "status": "affected",
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              "lessThan": "4a41c2b18fc05d30b718d2602cac339eae710b34"
            },
            {
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              "status": "affected",
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              "lessThan": "f0e441be08a2eab10b2d06fccfa267ee599dd6b3"
            },
            {
              "version": "505b5240329b922f21f91d5b5d1e535c805eca6d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "27ef84bba9b9d7b03418c60fbc6069ea0e87b13c"
            },
            {
              "version": "505b5240329b922f21f91d5b5d1e535c805eca6d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f8995c2df519f382525ca4bc90553ad2ec611067"
            },
            {
              "version": "abc60edcfc87771ff244763d4d19c67766f5dd0f",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "a2a840d6dcae960c2dfdf3fcb1b759e1b7d90663",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "00279b505289f7529d9be2e78915d0483ffbd314",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "d04e6ea0cec9e7d6cba806508f657d2d0dc6cacf",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "7f3ebea19795eb38438cd3709fabf2afd53cf447",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "3.16.63",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "3.17"
            },
            {
              "version": "4.4.170",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.5"
            },
            {
              "version": "4.9.148",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.10"
            },
            {
              "version": "4.14.91",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.15"
            },
            {
              "version": "4.19.13",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.20"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.20",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.20"
            },
            {
              "version": "5.10.253",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.203",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.168",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.134",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.81",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.22",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19.12",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.19.*"
            },
            {
              "version": "7.0",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}