{
  "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-2026-43178",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-43178",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-05-06T11:27:51.524Z",
    "updatedAt": "2026-08-05T12:26:20.039Z",
    "importedAt": "2026-10-24T01:58:08.712Z",
    "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": "procfs: fix possible double mmput() in do_procmap_query()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nprocfs: fix possible double mmput() in do_procmap_query()\n\nWhen user provides incorrectly sized buffer for build ID for PROCMAP_QUERY\nwe return with -ENAMETOOLONG error.  After recent changes this condition\nhappens later, after we unlocked mmap_lock/per-VMA lock and did mmput(),\nso original goto out is now wrong and will double-mmput() mm_struct.  Fix\nby jumping further to clean up only vm_file and name_buf.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "b9b97e6aeb534315f9646b2090d1a5024c6a4e82",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f9fe092084cd04deea18747f58a2304026e76aaa"
            },
            {
              "version": "cbc03ce3e6ce7e21214c3f02218213574c1a2d08",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8adaff87db143583e08eec4f4e7788f1ef8af94d"
            },
            {
              "version": "b5cbacd7f86f4f62b8813688c8e73be94e8e1951",
              "status": "affected",
              "versionType": "git",
              "lessThan": "90f5e87c9b75833b9ef3a4415b92c0247f28ab2f"
            },
            {
              "version": "b5cbacd7f86f4f62b8813688c8e73be94e8e1951",
              "status": "affected",
              "versionType": "git",
              "lessThan": "61dc9f776705d6db6847c101b98fa4f0e9eb6fa3"
            },
            {
              "version": "6.12.70",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.12.75"
            },
            {
              "version": "6.18.10",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.18.16"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.19",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.19"
            },
            {
              "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": "*"
            }
          ]
        }
      ]
    }
  }
}