{
  "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-2026-45951",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-45951",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-05-27T12:18:07.255Z",
    "updatedAt": "2026-08-05T12:28:53.157Z",
    "importedAt": "2026-10-24T01:58:14.884Z",
    "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": "bpf: Fix a potential use-after-free of BTF object",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix a potential use-after-free of BTF object\n\nRefcounting in the check_pseudo_btf_id() function is incorrect:\nthe __check_pseudo_btf_id() function might get called with a zero\nrefcounted btf. Fix this, and patch related code accordingly.\n\nv3: rephrase a comment (AI)\nv2: fix a refcount leak introduced in v1 (AI)",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "76145f7255326761dafb76721a785799d8a00d5f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "eac65c272f3b49021a843cba5107d63627395e0e"
            },
            {
              "version": "76145f7255326761dafb76721a785799d8a00d5f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9ff46ffeecdb1802d6e26183177935b948a12e7f"
            },
            {
              "version": "76145f7255326761dafb76721a785799d8a00d5f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ccd2d799ed4467c07f5ee18c2f5c59bcc990822c"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.14",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.14"
            },
            {
              "version": "6.18.14",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19.4",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.19.*"
            },
            {
              "version": "7.0",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}