{
  "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-2021-47301",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-47301",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2024-05-21T14:35:22.705Z",
    "updatedAt": "2026-05-11T13:51:50.540Z",
    "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": "igb: Fix use-after-free error during reset",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nigb: Fix use-after-free error during reset\n\nCleans the next descriptor to watch (next_to_watch) when cleaning the\nTX ring.\n\nFailure to do so can cause invalid memory accesses. If igb_poll() runs\nwhile the controller is reset this can lead to the driver try to free\na skb that was already freed.\n\n(The crash is harder to reproduce with the igb driver, but the same\npotential problem exists as the code is identical to igc)",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "7cc6fd4c60f267e17b0baef1580d7a6258c0a6f0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d7367f781e5a9ca5df9082b15b272b55e76931f8"
            },
            {
              "version": "7cc6fd4c60f267e17b0baef1580d7a6258c0a6f0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d3ccb18ed5ac3283c7b31ecc685b499e580d5492"
            },
            {
              "version": "7cc6fd4c60f267e17b0baef1580d7a6258c0a6f0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "88e0720133d42d34851c8721cf5f289a50a8710f"
            },
            {
              "version": "7cc6fd4c60f267e17b0baef1580d7a6258c0a6f0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f153664d8e70c11d0371341613651e1130e20240"
            },
            {
              "version": "7cc6fd4c60f267e17b0baef1580d7a6258c0a6f0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8e24c12f2ff6d32fd9f057382f08e748ec97194c"
            },
            {
              "version": "7cc6fd4c60f267e17b0baef1580d7a6258c0a6f0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7b292608db23ccbbfbfa50cdb155d01725d7a52e"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.12",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.12"
            },
            {
              "version": "4.14.241",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.199",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.136",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.54",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.13.6",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.13.*"
            },
            {
              "version": "5.14",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}