FKIE_CVE-2018-9439

Vulnerability from fkie_nvd - Published: 2024-12-05 00:15 - Updated: 2024-12-19 16:34
Severity ?
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In __unregister_prot_hook and packet_release of af_packet.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.
References
security@android.comhttps://source.android.com/security/bulletin/pixel/2018-08-01Vendor Advisory
Impacted products
Vendor Product Version
google android -
To clipboard 

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  "descriptions": [
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      "lang": "en",
      "value": "In __unregister_prot_hook and packet_release of af_packet.c, there is a\n    possible use-after-free due to improper locking. This could lead to local\n    escalation of privilege in the kernel with System execution privileges\n    needed. User interaction is not needed for exploitation."
    },
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      "value": "En __unregister_prot_hook y packet_release de af_packet.c, existe un posible uso despu\u00e9s de liberaci\u00f3n debido a un bloqueo inadecuado. Esto podr\u00eda conducir a una escalada local de privilegios en el kernel con privilegios de ejecuci\u00f3n de sistema necesarios. No se necesita interacci\u00f3n del usuario para la explotaci\u00f3n."
    }
  ],
  "id": "CVE-2018-9439",
  "lastModified": "2024-12-19T16:34:09.840",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.7,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
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          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
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        "source": "nvd@nist.gov",
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  "published": "2024-12-05T00:15:18.337",
  "references": [
    {
      "source": "security@android.com",
      "tags": [
        "Vendor Advisory"
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      "url": "https://source.android.com/security/bulletin/pixel/2018-08-01"
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  "sourceIdentifier": "security@android.com",
  "vulnStatus": "Analyzed",
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          "lang": "en",
          "value": "CWE-416"
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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