{
  "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-2020-36791",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2020-36791",
    "idYear": 2020,
    "status": "PUBLISHED",
    "publishedAt": "2025-05-07T13:17:33.882Z",
    "updatedAt": "2026-08-05T08:44:33.087Z",
    "importedAt": "2026-10-24T01:56:21.187Z",
    "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_sched: keep alloc_hash updated after hash allocation",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet_sched: keep alloc_hash updated after hash allocation\n\nIn commit 599be01ee567 (\"net_sched: fix an OOB access in cls_tcindex\")\nI moved cp->hash calculation before the first\ntcindex_alloc_perfect_hash(), but cp->alloc_hash is left untouched.\nThis difference could lead to another out of bound access.\n\ncp->alloc_hash should always be the size allocated, we should\nupdate it after this tcindex_alloc_perfect_hash().",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "73c29d2f6f8ae731b1e09051b69ed3ba2319482b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d6cdc5bb19b595486fb2e6661e5138d73a57f454"
            },
            {
              "version": "b974ac51f5834a729de252fc5c1c9de9efd79b45",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c4453d2833671e3a9f6bd52f0f581056c3736386"
            },
            {
              "version": "6cb448ee493c8a514c9afa0c346f3f5b3227de85",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9f8b6c44be178c2498a00b270872a6e30e7c8266"
            },
            {
              "version": "478c4b2ffd44e5186c7e22ae7c38a86a5b9cfde5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "557d015ffb27b672e24e6ad141fd887783871dc2"
            },
            {
              "version": "dd8142a6fa5270783d415292ec8169f4ea2a5468",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d23faf32e577922b6da20bf3740625c1105381bf"
            },
            {
              "version": "2c66ff8d08f81bcf8e8cb22e31e39c051b15336a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "bd3ee8fb6371b45c71c9345cc359b94da2ddefa9"
            },
            {
              "version": "599be01ee567b61f4471ee8078870847d0a11e8e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0d1c3530e1bd38382edef72591b78e877e0edcd3"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "4.4.214",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.4.218"
            },
            {
              "version": "4.9.214",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.9.218"
            },
            {
              "version": "4.14.171",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.14.175"
            },
            {
              "version": "4.19.103",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.19.114"
            },
            {
              "version": "5.4.19",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.4.29"
            },
            {
              "version": "5.5.3",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.5.14"
            }
          ]
        }
      ]
    }
  }
}