{
  "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-2025-39823",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-39823",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-09-16T13:00:22.298Z",
    "updatedAt": "2026-05-12T12:07:18.211Z",
    "importedAt": "2026-10-24T01:57:34.152Z",
    "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": "KVM: x86: use array_index_nospec with indices that come from guest",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: x86: use array_index_nospec with indices that come from guest\n\nmin and dest_id are guest-controlled indices. Using array_index_nospec()\nafter the bounds checks clamps these values to mitigate speculative execution\nside-channels.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "4180bf1b655a791a0a6ef93a2ffffc762722c782",
              "status": "affected",
              "versionType": "git",
              "lessThan": "72777fc31aa7ab2ce00f44bfa3929c6eabbeaf48"
            },
            {
              "version": "4180bf1b655a791a0a6ef93a2ffffc762722c782",
              "status": "affected",
              "versionType": "git",
              "lessThan": "31a0ad2f60cb4816e06218b63e695eb72ce74974"
            },
            {
              "version": "4180bf1b655a791a0a6ef93a2ffffc762722c782",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d51e381beed5e2f50f85f49f6c90e023754efa12"
            },
            {
              "version": "4180bf1b655a791a0a6ef93a2ffffc762722c782",
              "status": "affected",
              "versionType": "git",
              "lessThan": "33e974c2d5a82b2f9d9ba0ad9cbaabc1c8e3985f"
            },
            {
              "version": "4180bf1b655a791a0a6ef93a2ffffc762722c782",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f49161646e03d107ce81a99c6ca5da682fe5fb69"
            },
            {
              "version": "4180bf1b655a791a0a6ef93a2ffffc762722c782",
              "status": "affected",
              "versionType": "git",
              "lessThan": "67a05679621b7f721bdba37a5d18665d3aceb695"
            },
            {
              "version": "4180bf1b655a791a0a6ef93a2ffffc762722c782",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f57a4bd8d6cb5af05b8ac1be9098e249034639fb"
            },
            {
              "version": "4180bf1b655a791a0a6ef93a2ffffc762722c782",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c87bd4dd43a624109c3cc42d843138378a7f4548"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.19",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.19"
            },
            {
              "version": "5.4.298",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.242",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.191",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.150",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.104",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.45",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.16.5",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.16.*"
            },
            {
              "version": "6.17",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}