{
  "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-2026-46323",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-46323",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-06-09T12:11:15.562Z",
    "updatedAt": "2026-10-19T19:36:58.470Z",
    "importedAt": "2026-10-24T01:58:14.884Z",
    "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": "net: gro: don't merge zcopy skbs",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: gro: don't merge zcopy skbs\n\nskb_gro_receive() can currently copy frags between the source and GRO\nskb, without checking the zerocopy status, and in particular the\nSKBFL_MANAGED_FRAG_REFS flag.\n\nWhen SKBFL_MANAGED_FRAG_REFS is set, the skb doesn't hold a reference\non the pages in shinfo->frags. Appending those frags to another skb's\nfrags without fixing up the page refcount can lead to UAF.\n\nWhen either the last skb in the GRO chain (the one we would append\nfrags to) or the source skb is zerocopy, don't merge the skbs.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "753f1ca4e1e50248a1b760c9774d6d6b354562cc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3c6cc9f2ca65b6dd61b1af75452dc0e1cd0aad8d"
            },
            {
              "version": "753f1ca4e1e50248a1b760c9774d6d6b354562cc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1f9c828556416fbe3f49386708ce999fc4d4da06"
            },
            {
              "version": "753f1ca4e1e50248a1b760c9774d6d6b354562cc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "479084ae0e1d9cb7929cb4298d35623de189f80a"
            },
            {
              "version": "753f1ca4e1e50248a1b760c9774d6d6b354562cc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e334cbf3388fd9334503a778a82d9e9f14dd2f71"
            },
            {
              "version": "753f1ca4e1e50248a1b760c9774d6d6b354562cc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "44bea2032af0425e4ce6d26a8af0ede79db49ec1"
            },
            {
              "version": "753f1ca4e1e50248a1b760c9774d6d6b354562cc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4db79a322db8c97f7b73b8a347395ef4d685eb40"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.0",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.0"
            },
            {
              "version": "6.1.176",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.142",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.92",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.34",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.0.11",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.0.*"
            },
            {
              "version": "7.1",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}