{
  "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-2025-21671",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-21671",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-01-31T11:25:34.546Z",
    "updatedAt": "2026-05-11T21:04:11.691Z",
    "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": "zram: fix potential UAF of zram table",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nzram: fix potential UAF of zram table\n\nIf zram_meta_alloc failed early, it frees allocated zram->table without\nsetting it NULL.  Which will potentially cause zram_meta_free to access\nthe table if user reset an failed and uninitialized device.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "ac3b5366b9b7c9d97b606532ceab43d2329a22f3",
              "status": "affected",
              "versionType": "git",
              "lessThan": "fe3de867f94819ba0f28e035c0b0182150147d95"
            },
            {
              "version": "0b5b0b65561b34e6e360de317e4bcd031bfabf42",
              "status": "affected",
              "versionType": "git",
              "lessThan": "571d3f6045cd3a6d9f6aec33b678f3ffe97582ef"
            },
            {
              "version": "6fb92e9a52e3feae309a213950f21dfcd1eb0b40",
              "status": "affected",
              "versionType": "git",
              "lessThan": "902ef8f16d5ca77edc77c30656be54186c1e99b7"
            },
            {
              "version": "74363ec674cb172d8856de25776c8f3103f05e2f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "212fe1c0df4a150fb6298db2cfff267ceaba5402"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "6.1.122",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.1.127"
            },
            {
              "version": "6.6.68",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.6.74"
            },
            {
              "version": "6.12.7",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.12.11"
            }
          ]
        }
      ]
    }
  }
}