{
  "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-2025-21964",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-21964",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-04-01T15:47:00.594Z",
    "updatedAt": "2026-05-11T21:09:56.973Z",
    "importedAt": "2026-10-24T01:57:29.455Z",
    "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": "cifs: Fix integer overflow while processing acregmax mount option",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: Fix integer overflow while processing acregmax mount option\n\nUser-provided mount parameter acregmax of type u32 is intended to have\nan upper limit, but before it is validated, the value is converted from\nseconds to jiffies which can lead to an integer overflow.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "5780464614f6abe6026f00cf5a0777aa453ba450",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a13351624a6af8d91398860b8c9d4cf6c8e63de5"
            },
            {
              "version": "5780464614f6abe6026f00cf5a0777aa453ba450",
              "status": "affected",
              "versionType": "git",
              "lessThan": "dd190168e60ac15408f074a1fe0ce36aff34027b"
            },
            {
              "version": "5780464614f6abe6026f00cf5a0777aa453ba450",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0252c33cc943e9e48ddfafaa6b1eb72adb68a099"
            },
            {
              "version": "5780464614f6abe6026f00cf5a0777aa453ba450",
              "status": "affected",
              "versionType": "git",
              "lessThan": "833f2903eb8b70faca7967319e580e9ce69729fc"
            },
            {
              "version": "5780464614f6abe6026f00cf5a0777aa453ba450",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5f500874ab9b3cc8c169c2ab49f00b838520b9c5"
            },
            {
              "version": "5780464614f6abe6026f00cf5a0777aa453ba450",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7489161b1852390b4413d57f2457cd40b34da6cc"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.12",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.12"
            },
            {
              "version": "5.15.180",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.132",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.84",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.20",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.13.8",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.13.*"
            },
            {
              "version": "6.14",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}