{
  "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-2026-90161",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-90161",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-09-17T16:06:52.470Z",
    "updatedAt": "2026-10-21T12:50:13.218Z",
    "importedAt": "2026-10-24T01:58:35.090Z",
    "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": "erofs: fix interlaced ztailpacking pclusters",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: fix interlaced ztailpacking pclusters\n\nOn-disk sizes of interlaced pclusters should be block-aligned, and\nztailpacking interlaced pclusters should be invalid at all.\n\nCurrently, mkfs.erofs won't generate any interlaced pcluster with\nztailpacking enabled, so this doesn't affect any existing valid\nfilesystems.\n\nHowever, crafted images can contain invalid interlaced ztailpacking\npclusters, resulting in an out-of-bounds read from a kmap'd page and\ncopying irrelevant kernel memory into userspace-visible page cache.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "fdffc091e6f94602558bba712b51bc16f79fd6d5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "795dca34a41545d377d19bc492b10bc789772410"
            },
            {
              "version": "fdffc091e6f94602558bba712b51bc16f79fd6d5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cd59f91cbc1e715cb5dc65773ee22123d70cb8f2"
            },
            {
              "version": "fdffc091e6f94602558bba712b51bc16f79fd6d5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ddb7ea4fd99bf6c4314d1dfca18aec6945ce8054"
            },
            {
              "version": "fdffc091e6f94602558bba712b51bc16f79fd6d5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "451027c642e752420e1a04237db9ce7b35cee595"
            },
            {
              "version": "fdffc091e6f94602558bba712b51bc16f79fd6d5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "862427ebb81d1f6abbf74d799790e1694b37b187"
            },
            {
              "version": "7d6ef8277e44c22f894d54d26ddb36c22d60712d",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "6.0.16",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.1"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.1",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.1"
            },
            {
              "version": "6.6.160",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.114",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.52",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.2.6",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "version": "7.3",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}