FKIE_CVE-2016-8655

Vulnerability from fkie_nvd - Published: 2016-12-08 08:59 - Updated: 2026-06-17 00:54
Summary
Race condition in net/packet/af_packet.c in the Linux kernel through 4.8.12 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging the CAP_NET_RAW capability to change a socket version, related to the packet_set_ring and packet_setsockopt functions.
References
secalert@redhat.comhttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=84ac7260236a49c79eede91617700174c2c19b0cPatch, Vendor Advisory
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2016-12/msg00044.htmlMailing List, Third Party Advisory
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2016-12/msg00054.htmlMailing List, Third Party Advisory
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2016-12/msg00055.htmlMailing List, Third Party Advisory
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2016-12/msg00056.htmlMailing List, Third Party Advisory
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2016-12/msg00067.htmlMailing List, Third Party Advisory
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2016-12/msg00070.htmlMailing List, Third Party Advisory
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2016-12/msg00073.htmlMailing List, Third Party Advisory
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2016-12/msg00076.htmlMailing List, Third Party Advisory
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2016-12/msg00077.htmlMailing List, Third Party Advisory
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2016-12/msg00087.htmlMailing List, Third Party Advisory
secalert@redhat.comhttp://packetstormsecurity.com/files/140063/Linux-Kernel-4.4.0-AF_PACKET-Race-Condition-Privilege-Escalation.htmlThird Party Advisory, VDB Entry
secalert@redhat.comhttp://rhn.redhat.com/errata/RHSA-2017-0386.htmlThird Party Advisory
secalert@redhat.comhttp://rhn.redhat.com/errata/RHSA-2017-0387.htmlThird Party Advisory
secalert@redhat.comhttp://rhn.redhat.com/errata/RHSA-2017-0402.htmlThird Party Advisory
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2016/12/06/1Mailing List, Third Party Advisory
secalert@redhat.comhttp://www.securityfocus.com/bid/94692Third Party Advisory, VDB Entry
secalert@redhat.comhttp://www.securitytracker.com/id/1037403Third Party Advisory, VDB Entry
secalert@redhat.comhttp://www.securitytracker.com/id/1037968Third Party Advisory, VDB Entry
secalert@redhat.comhttp://www.ubuntu.com/usn/USN-3149-1Third Party Advisory
secalert@redhat.comhttp://www.ubuntu.com/usn/USN-3149-2Third Party Advisory
secalert@redhat.comhttp://www.ubuntu.com/usn/USN-3150-1Third Party Advisory
secalert@redhat.comhttp://www.ubuntu.com/usn/USN-3150-2Third Party Advisory
secalert@redhat.comhttp://www.ubuntu.com/usn/USN-3151-1Third Party Advisory
secalert@redhat.comhttp://www.ubuntu.com/usn/USN-3151-2Third Party Advisory
secalert@redhat.comhttp://www.ubuntu.com/usn/USN-3151-3Third Party Advisory
secalert@redhat.comhttp://www.ubuntu.com/usn/USN-3151-4Third Party Advisory
secalert@redhat.comhttp://www.ubuntu.com/usn/USN-3152-1Third Party Advisory
secalert@redhat.comhttp://www.ubuntu.com/usn/USN-3152-2Third Party Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1400019Issue Tracking, Third Party Advisory, VDB Entry
secalert@redhat.comhttps://github.com/torvalds/linux/commit/84ac7260236a49c79eede91617700174c2c19b0cPatch, Third Party Advisory
secalert@redhat.comhttps://source.android.com/security/bulletin/2017-03-01.htmlThird Party Advisory
secalert@redhat.comhttps://www.exploit-db.com/exploits/40871/Third Party Advisory, VDB Entry
secalert@redhat.comhttps://www.exploit-db.com/exploits/44696/Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=84ac7260236a49c79eede91617700174c2c19b0cPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00044.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00054.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00055.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00056.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00067.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00070.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00073.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00076.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00077.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00087.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/140063/Linux-Kernel-4.4.0-AF_PACKET-Race-Condition-Privilege-Escalation.htmlThird Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2017-0386.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2017-0387.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2017-0402.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2016/12/06/1Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/94692Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1037403Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1037968Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-3149-1Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-3149-2Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-3150-1Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-3150-2Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-3151-1Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-3151-2Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-3151-3Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-3151-4Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-3152-1Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-3152-2Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1400019Issue Tracking, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/84ac7260236a49c79eede91617700174c2c19b0cPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://source.android.com/security/bulletin/2017-03-01.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/40871/Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/44696/Third Party Advisory, VDB Entry

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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              "matchCriteriaId": "A779DD72-34BF-411B-A324-7D4E130B3F99",
              "versionEndExcluding": "3.2.85",
              "versionStartIncluding": "3.2",
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            },
            {
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              "matchCriteriaId": "2454EAB6-FC42-4FA4-BE76-CBAA81D4ADC4",
              "versionEndExcluding": "4.8.14",
              "versionStartIncluding": "4.5",
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          ],
          "negate": false,
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        }
      ]
    },
    {
      "nodes": [
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              "vulnerable": true
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            {
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Race condition in net/packet/af_packet.c in the Linux kernel through 4.8.12 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging the CAP_NET_RAW capability to change a socket version, related to the packet_set_ring and packet_setsockopt functions."
    },
    {
      "lang": "es",
      "value": "Condici\u00f3n de carrera en net/packet/af_packet.c en el kernel de Linux hasta la versi\u00f3n 4.8.12 permite a usuarios locales obtener privilegios o provocar una denegaci\u00f3n de servicio (uso despu\u00e9s de liberaci\u00f3n de memoria) aprovechando la capacidad CAP_NET_RAW de cambiar una versi\u00f3n socket, relacionado con las funciones packet_set_ring y packet_setsockopt."
    }
  ],
  "id": "CVE-2016-8655",
  "lastModified": "2026-06-17T00:54:45.273",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.2,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2016-12-08T08:59:00.177",
  "references": [
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=84ac7260236a49c79eede91617700174c2c19b0c"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00044.html"
    },
    {
      "source": "secalert@redhat.com",
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        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00054.html"
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    {
      "source": "secalert@redhat.com",
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        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00055.html"
    },
    {
      "source": "secalert@redhat.com",
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        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00056.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00067.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00070.html"
    },
    {
      "source": "secalert@redhat.com",
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        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00073.html"
    },
    {
      "source": "secalert@redhat.com",
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      ],
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    },
    {
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        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00077.html"
    },
    {
      "source": "secalert@redhat.com",
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        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00087.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://packetstormsecurity.com/files/140063/Linux-Kernel-4.4.0-AF_PACKET-Race-Condition-Privilege-Escalation.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
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      ],
      "url": "http://rhn.redhat.com/errata/RHSA-2017-0386.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
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      ],
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    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://rhn.redhat.com/errata/RHSA-2017-0402.html"
    },
    {
      "source": "secalert@redhat.com",
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        "Third Party Advisory"
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      "url": "http://www.openwall.com/lists/oss-security/2016/12/06/1"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
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        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/94692"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securitytracker.com/id/1037403"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securitytracker.com/id/1037968"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
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      ],
      "url": "http://www.ubuntu.com/usn/USN-3149-1"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
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      ],
      "url": "http://www.ubuntu.com/usn/USN-3149-2"
    },
    {
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      "tags": [
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      ],
      "url": "http://www.ubuntu.com/usn/USN-3150-1"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.ubuntu.com/usn/USN-3150-2"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.ubuntu.com/usn/USN-3151-1"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.ubuntu.com/usn/USN-3151-2"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.ubuntu.com/usn/USN-3151-3"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.ubuntu.com/usn/USN-3151-4"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.ubuntu.com/usn/USN-3152-1"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.ubuntu.com/usn/USN-3152-2"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1400019"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/torvalds/linux/commit/84ac7260236a49c79eede91617700174c2c19b0c"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://source.android.com/security/bulletin/2017-03-01.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://www.exploit-db.com/exploits/40871/"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
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    {
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      "url": "https://www.exploit-db.com/exploits/44696/"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        },
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • 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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • 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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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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