{
  "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-2026-43240",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-43240",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-05-06T11:28:34.269Z",
    "updatedAt": "2026-06-19T11:58:23.596Z",
    "importedAt": "2026-10-24T01:58:14.884Z",
    "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": "x86/kexec: add a sanity check on previous kernel's ima kexec buffer",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nx86/kexec: add a sanity check on previous kernel's ima kexec buffer\n\nWhen the second-stage kernel is booted via kexec with a limiting command\nline such as \"mem=<size>\", the physical range that contains the carried\nover IMA measurement list may fall outside the truncated RAM leading to a\nkernel panic.\n\n    BUG: unable to handle page fault for address: ffff97793ff47000\n    RIP: ima_restore_measurement_list+0xdc/0x45a\n    #PF: error_code(0x0000) – not-present page\n\nOther architectures already validate the range with page_is_ram(), as done\nin commit cbf9c4b9617b (\"of: check previous kernel's ima-kexec-buffer\nagainst memory bounds\") do a similar check on x86.\n\nWithout carrying the measurement list across kexec, the attestation\nwould fail.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "b69a2afd5afce9bf6d56e349d6ab592c916e20f2",
              "status": "affected",
              "versionType": "git",
              "lessThan": "37f18915a261afe84dab462624ed829cddb77a9b"
            },
            {
              "version": "b69a2afd5afce9bf6d56e349d6ab592c916e20f2",
              "status": "affected",
              "versionType": "git",
              "lessThan": "22e460b6333a5f818b042ac89201f8e735556f4a"
            },
            {
              "version": "b69a2afd5afce9bf6d56e349d6ab592c916e20f2",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7e2476057950c174c7b2c2802246707bbfb497e4"
            },
            {
              "version": "b69a2afd5afce9bf6d56e349d6ab592c916e20f2",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f8f73bf0f8a57ee9b86792456bd42079bc98c6b7"
            },
            {
              "version": "b69a2afd5afce9bf6d56e349d6ab592c916e20f2",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d4a132f121c591b60dbaf57ea91f1faf11631fbc"
            },
            {
              "version": "b69a2afd5afce9bf6d56e349d6ab592c916e20f2",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4d7a8f5f28187e3d2958b2a134473da2665207e7"
            },
            {
              "version": "b69a2afd5afce9bf6d56e349d6ab592c916e20f2",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c5489d04337b47e93c0623e8145fcba3f5739efd"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.0",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.0"
            },
            {
              "version": "6.1.165",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.128",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.6.143",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.75",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.16",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19.6",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.19.*"
            },
            {
              "version": "7.0",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}