{
  "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-2026-80990",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-80990",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-09-11T19:42:47.534Z",
    "updatedAt": "2026-10-19T08:46:14.490Z",
    "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": "net: thunderbolt: Release the Rx HopID that was handed out on mismatch",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: thunderbolt: Release the Rx HopID that was handed out on mismatch\n\ntb_xdomain_alloc_in_hopid() passes the wanted HopID to ida_alloc_range()\nas the lower bound, so a taken id is not an error there: the allocator\nreturns the next free one above it. tbnet_connected_work() asks for the\npeer's transmit path, treats any other id as a failure and returns\nwithout releasing what it got, so that allocation stays live for the rest\nof the XDomain connection with nothing left holding a reference to it.\n\nRelease the id when it is not the one we asked for, the same way the\nerror unwind at the end of the function releases the expected one.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "180b0689425c6fb2b35e69a3316ee38371a782df",
              "status": "affected",
              "versionType": "git",
              "lessThan": "47981eb66461ba4e74bbaea0f139adaaeb3991e9"
            },
            {
              "version": "180b0689425c6fb2b35e69a3316ee38371a782df",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9eac1817bfc5fa76e3a2d1b8fd824cc6ef5a9ab0"
            },
            {
              "version": "180b0689425c6fb2b35e69a3316ee38371a782df",
              "status": "affected",
              "versionType": "git",
              "lessThan": "61ff3c353e5d2ff4eb9d0b6d8d9e47805b136eea"
            },
            {
              "version": "180b0689425c6fb2b35e69a3316ee38371a782df",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1c361f6cf39be7cc0ce37c0b67bd1cdf74b0a0c1"
            },
            {
              "version": "180b0689425c6fb2b35e69a3316ee38371a782df",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2f1463554d0561a2fead81e3888604e5c1125e29"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.13",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.13"
            },
            {
              "version": "6.6.157",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.109",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.50",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.2.4",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "version": "7.3",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}