fkie_cve-2021-45485
Vulnerability from fkie_nvd
Published
2021-12-25 02:15
Modified
2024-11-21 06:32
Summary
In the IPv6 implementation in the Linux kernel before 5.13.3, net/ipv6/output_core.c has an information leak because of certain use of a hash table which, although big, doesn't properly consider that IPv6-based attackers can typically choose among many IPv6 source addresses.



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  "cveTags": [],
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      "value": "In the IPv6 implementation in the Linux kernel before 5.13.3, net/ipv6/output_core.c has an information leak because of certain use of a hash table which, although big, doesn\u0027t properly consider that IPv6-based attackers can typically choose among many IPv6 source addresses."
    },
    {
      "lang": "es",
      "value": "En la implementaci\u00f3n de IPv6 en el kernel de Linux versiones anteriores a 5.13.3, el archivo net/ipv6/output_core.c presenta un filtrado de informaci\u00f3n debido a determinado uso de una tabla hash que, aunque es grande, no considera apropiadamente que atacantes basados en IPv6 pueden elegir t\u00edpicamente entre muchas direcciones de origen IPv6"
    }
  ],
  "id": "CVE-2021-45485",
  "lastModified": "2024-11-21T06:32:18.733",
  "metrics": {
    "cvssMetricV2": [
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        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
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        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
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        "obtainUserPrivilege": false,
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          "confidentialityImpact": "HIGH",
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  "published": "2021-12-25T02:15:06.667",
  "references": [
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      "source": "cve@mitre.org",
      "tags": [
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  "vulnStatus": "Modified",
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          "value": "CWE-327"
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}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.