{
  "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-2026-80788",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-80788",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-09-04T15:12:59.912Z",
    "updatedAt": "2026-10-19T08:43:40.496Z",
    "importedAt": "2026-10-24T01:58:30.346Z",
    "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": "nvmet-tcp: Do not WARN on remotely-controlled oversized SGL allocations",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet-tcp: Do not WARN on remotely-controlled oversized SGL allocations\n\nWhen fuzzing the nvme target code, I tripped a kernel warning in\nnvmet_tcp_map_data() because the length passed into the allocator is\ncontrolled by the remote initiator.\n\nA remote initiator that sends a command with an SGL claiming a huge\nnumber, can create a scatterlist and iovec allocation of over 1 million\nentries, which causes the backing kmalloc call to exceed MAX_PAGE_ORDER\nand then the page allocator will trip on a WARN_ON_ONCE_GFP() message:\n\n  WARNING: mm/page_alloc.c:5280 __alloc_frozen_pages_noprof\n  Workqueue: nvmet_tcp_wq nvmet_tcp_io_work\n  ...\n  sgl_alloc_order\n  nvmet_tcp_map_data\n  nvmet_tcp_try_recv_pdu\n\nAs it's never good to trip a kernel warning remotely due to many systems\nhaving panic-on-warn enabled, let's silence it by just add GFP_NOWARN to\nthe allocation flags.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "872d26a391da92ed8f0c0f5cb5fef428067b7f30",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8d01f0d0e96485e39ad89b859ef85e1dc3020465"
            },
            {
              "version": "872d26a391da92ed8f0c0f5cb5fef428067b7f30",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7b6a54d4e7b0da423c2b53ed293fd36b16c0b19e"
            },
            {
              "version": "872d26a391da92ed8f0c0f5cb5fef428067b7f30",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e7077e6c45423dd2bb7de7b5fc4b018a8e6c4741"
            },
            {
              "version": "872d26a391da92ed8f0c0f5cb5fef428067b7f30",
              "status": "affected",
              "versionType": "git",
              "lessThan": "86cc450022473c4a29b43a09f3ec22a9ef566dac"
            },
            {
              "version": "872d26a391da92ed8f0c0f5cb5fef428067b7f30",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c509f20be1cabda3087810bb2d658d66b3f31f35"
            },
            {
              "version": "872d26a391da92ed8f0c0f5cb5fef428067b7f30",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9c95f7e66c62ee6c6abedcf1c04311f430ff5833"
            },
            {
              "version": "872d26a391da92ed8f0c0f5cb5fef428067b7f30",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7fd6da0f28932442b51658bac4ff55565ca9b377"
            },
            {
              "version": "872d26a391da92ed8f0c0f5cb5fef428067b7f30",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9b770e40bc00381e5ebf53653de5776773415be3"
            },
            {
              "version": "872d26a391da92ed8f0c0f5cb5fef428067b7f30",
              "status": "affected",
              "versionType": "git",
              "lessThan": "737a3b535247226f6e1a7988fd9d6e63e7d6fc71"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.0",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.0"
            },
            {
              "version": "5.10.267",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.218",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.185",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.154",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.106",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.47",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.1.11",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.1.*"
            },
            {
              "version": "7.2.1",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "version": "7.3",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}