{
  "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-2022-48819",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-48819",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2024-07-16T11:44:06.619Z",
    "updatedAt": "2026-05-11T18:47:45.169Z",
    "importedAt": "2026-10-24T01:56:45.230Z",
    "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": "tcp: take care of mixed splice()/sendmsg(MSG_ZEROCOPY) case",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: take care of mixed splice()/sendmsg(MSG_ZEROCOPY) case\n\nsyzbot found that mixing sendpage() and sendmsg(MSG_ZEROCOPY)\ncalls over the same TCP socket would again trigger the\ninfamous warning in inet_sock_destruct()\n\n\tWARN_ON(sk_forward_alloc_get(sk));\n\nWhile Talal took into account a mix of regular copied data\nand MSG_ZEROCOPY one in the same skb, the sendpage() path\nhas been forgotten.\n\nWe want the charging to happen for sendpage(), because\npages could be coming from a pipe. What is missing is the\ndowngrading of pure zerocopy status to make sure\nsk_forward_alloc will stay synced.\n\nAdd tcp_downgrade_zcopy_pure() helper so that we can\nuse it from the two callers.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "9b65b17db72313b7a4fe9bc9502928c88be57986",
              "status": "affected",
              "versionType": "git",
              "lessThan": "47f3860c4931175f112f28dcac66eacca9b1040f"
            },
            {
              "version": "9b65b17db72313b7a4fe9bc9502928c88be57986",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f8d9d938514f46c4892aff6bfe32f425e84d81cc"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.16",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.16"
            },
            {
              "version": "5.16.10",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.16.*"
            },
            {
              "version": "5.17",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}