{
  "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-2024-41027",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-41027",
    "idYear": 2024,
    "status": "PUBLISHED",
    "publishedAt": "2024-07-29T14:31:43.859Z",
    "updatedAt": "2026-05-11T20:24:44.419Z",
    "importedAt": "2026-10-24T01:57:16.009Z",
    "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": "Fix userfaultfd_api to return EINVAL as expected",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nFix userfaultfd_api to return EINVAL as expected\n\nCurrently if we request a feature that is not set in the Kernel config we\nfail silently and return all the available features.  However, the man\npage indicates we should return an EINVAL.\n\nWe need to fix this issue since we can end up with a Kernel warning should\na program request the feature UFFD_FEATURE_WP_UNPOPULATED on a kernel with\nthe config not set with this feature.\n\n [  200.812896] WARNING: CPU: 91 PID: 13634 at mm/memory.c:1660 zap_pte_range+0x43d/0x660\n [  200.820738] Modules linked in:\n [  200.869387] CPU: 91 PID: 13634 Comm: userfaultfd Kdump: loaded Not tainted 6.9.0-rc5+ #8\n [  200.877477] Hardware name: Dell Inc. PowerEdge R6525/0N7YGH, BIOS 2.7.3 03/30/2022\n [  200.885052] RIP: 0010:zap_pte_range+0x43d/0x660",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "e06f1e1dd4998ffc9da37f580703b55a93fc4de4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "519547760f16eae7803d2658d9524bc5ba7a20a7"
            },
            {
              "version": "e06f1e1dd4998ffc9da37f580703b55a93fc4de4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "14875fd5f9bcf60ac5518c63bfb676ade44aa7c6"
            },
            {
              "version": "e06f1e1dd4998ffc9da37f580703b55a93fc4de4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cd94cac4069a763ab5206be2c64c9a8beae590ba"
            },
            {
              "version": "e06f1e1dd4998ffc9da37f580703b55a93fc4de4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8111f902b7c95d75fc80c7e577f5045886c6b384"
            },
            {
              "version": "e06f1e1dd4998ffc9da37f580703b55a93fc4de4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1723f04caacb32cadc4e063725d836a0c4450694"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.7",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.7"
            },
            {
              "version": "5.15.163",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.100",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.41",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.9.10",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.9.*"
            },
            {
              "version": "6.10",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}