{
  "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-2021-47171",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-47171",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2024-03-25T09:16:22.993Z",
    "updatedAt": "2026-05-11T13:49:21.036Z",
    "importedAt": "2026-10-24T01:56:36.661Z",
    "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: usb: fix memory leak in smsc75xx_bind",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: fix memory leak in smsc75xx_bind\n\nSyzbot reported memory leak in smsc75xx_bind().\nThe problem was is non-freed memory in case of\nerrors after memory allocation.\n\nbacktrace:\n  [<ffffffff84245b62>] kmalloc include/linux/slab.h:556 [inline]\n  [<ffffffff84245b62>] kzalloc include/linux/slab.h:686 [inline]\n  [<ffffffff84245b62>] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460\n  [<ffffffff82b5b2e6>] usbnet_probe+0x3b6/0xc30 drivers/net/usb/usbnet.c:1728",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "d0cad871703b898a442e4049c532ec39168e5b57",
              "status": "affected",
              "versionType": "git",
              "lessThan": "200dbfcad8011e50c3cec269ed7b980836eeb1fa"
            },
            {
              "version": "d0cad871703b898a442e4049c532ec39168e5b57",
              "status": "affected",
              "versionType": "git",
              "lessThan": "22c840596af0c09068b6cf948616e6496e59e07f"
            },
            {
              "version": "d0cad871703b898a442e4049c532ec39168e5b57",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc"
            },
            {
              "version": "d0cad871703b898a442e4049c532ec39168e5b57",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9e6a3eccb28779710cbbafc4f4258d92509c6d07"
            },
            {
              "version": "d0cad871703b898a442e4049c532ec39168e5b57",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b95fb96e6339e34694dd578fb6bde3575b01af17"
            },
            {
              "version": "d0cad871703b898a442e4049c532ec39168e5b57",
              "status": "affected",
              "versionType": "git",
              "lessThan": "635ac38b36255d3cfb8312cf7c471334f4d537e0"
            },
            {
              "version": "d0cad871703b898a442e4049c532ec39168e5b57",
              "status": "affected",
              "versionType": "git",
              "lessThan": "70c886ac93f87ae7214a0c69151a28a8075dd95b"
            },
            {
              "version": "d0cad871703b898a442e4049c532ec39168e5b57",
              "status": "affected",
              "versionType": "git",
              "lessThan": "46a8b29c6306d8bbfd92b614ef65a47c900d8e70"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.34",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.34"
            },
            {
              "version": "4.4.271",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.4.*"
            },
            {
              "version": "4.9.271",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.9.*"
            },
            {
              "version": "4.14.235",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.193",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.124",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.42",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.12.9",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.12.*"
            },
            {
              "version": "5.13",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}