{
  "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-2026-80791",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-80791",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-09-04T15:13:03.204Z",
    "updatedAt": "2026-10-19T08:43:44.536Z",
    "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-auth: zero the AUTH_RECEIVE response buffer",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet-auth: zero the AUTH_RECEIVE response buffer\n\nnvmet_execute_auth_receive() allocates the response buffer with kmalloc()\nsized by the host-supplied AUTH_RECEIVE allocation length, but the\nDH-HMAC-CHAP builders write only a fixed-size message into it. The full\nallocation length is then copied to the wire by nvmet_copy_to_sgl(), so a\nremote initiator receives the bytes past the built message -- up to nearly\na page of uninitialized slab -- during the pre-authentication handshake.\n\nAllocate the buffer with kzalloc() so the unwritten tail is zeroed before\nit is sent; conforming responses are unaffected.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "db1312dd95488b5e6ff362ff66fcf953a46b1821",
              "status": "affected",
              "versionType": "git",
              "lessThan": "447b668faa14710f611e714031e3739ac3ec3a4f"
            },
            {
              "version": "db1312dd95488b5e6ff362ff66fcf953a46b1821",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8f6363c8d54dde95982f0ab45e77cf57ec0efd62"
            },
            {
              "version": "db1312dd95488b5e6ff362ff66fcf953a46b1821",
              "status": "affected",
              "versionType": "git",
              "lessThan": "dfcf013f77709ebdb282767edc2795a37cab5b57"
            },
            {
              "version": "db1312dd95488b5e6ff362ff66fcf953a46b1821",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b26189d28442183a8b5edb754f4a6918f77ca84e"
            },
            {
              "version": "db1312dd95488b5e6ff362ff66fcf953a46b1821",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2dcc9226203da7275a9c29d20007da278d73d5e9"
            },
            {
              "version": "db1312dd95488b5e6ff362ff66fcf953a46b1821",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1d6837d98bf966a041af65de5f78de7409ff83bc"
            },
            {
              "version": "db1312dd95488b5e6ff362ff66fcf953a46b1821",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3ddcfb013322aa37eaa7a0d344b73079c38dfa21"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.0",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.0"
            },
            {
              "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": "*"
            }
          ]
        }
      ]
    }
  }
}