{
  "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-2024-49936",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-49936",
    "idYear": 2024,
    "status": "PUBLISHED",
    "publishedAt": "2024-10-21T18:01:57.066Z",
    "updatedAt": "2026-08-05T11:40:33.247Z",
    "importedAt": "2026-10-24T01:57:16.009Z",
    "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/xen-netback: prevent UAF in xenvif_flush_hash()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/xen-netback: prevent UAF in xenvif_flush_hash()\n\nDuring the list_for_each_entry_rcu iteration call of xenvif_flush_hash,\nkfree_rcu does not exist inside the rcu read critical section, so if\nkfree_rcu is called when the rcu grace period ends during the iteration,\nUAF occurs when accessing head->next after the entry becomes free.\n\nTherefore, to solve this, you need to change it to list_for_each_entry_safe.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "40d8abdee806d496a60ee607a6d01b1cd7fabaf0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3c4423b0c4b98213b3438e15061e1d08220e6982"
            },
            {
              "version": "40d8abdee806d496a60ee607a6d01b1cd7fabaf0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a7f0073fcd12ed7de185ef2c0af9d0fa1ddef22c"
            },
            {
              "version": "40d8abdee806d496a60ee607a6d01b1cd7fabaf0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a0465723b8581cad27164c9073fd780904cd22d4"
            },
            {
              "version": "40d8abdee806d496a60ee607a6d01b1cd7fabaf0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "efcff6ce7467f01f0753609f420333f3f2ceceda"
            },
            {
              "version": "40d8abdee806d496a60ee607a6d01b1cd7fabaf0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "143edf098b80669d05245b2f2367dd156a83a2c5"
            },
            {
              "version": "40d8abdee806d496a60ee607a6d01b1cd7fabaf0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d408889d4b54f5501e4becc4dbbb9065143fbf4e"
            },
            {
              "version": "40d8abdee806d496a60ee607a6d01b1cd7fabaf0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "54d8639af5568fc41c0e274fc3ec9cf86c59fcbb"
            },
            {
              "version": "40d8abdee806d496a60ee607a6d01b1cd7fabaf0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0fa5e94a1811d68fbffa0725efe6d4ca62c03d12"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.7",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.7"
            },
            {
              "version": "5.4.290",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.227",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.168",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.113",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.55",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.10.14",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.10.*"
            },
            {
              "version": "6.11.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.11.*"
            },
            {
              "version": "6.12",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}