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FKIE_CVE-2016-3841

Vulnerability from fkie_nvd - Published: 2016-08-06 20:59 - Updated: 2026-06-17 00:46
Severity
7.3 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Summary
The IPv6 stack in the Linux kernel before 4.3.3 mishandles options data, which allows local users to gain privileges or cause a denial of service (use-after-free and system crash) via a crafted sendmsg system call.
References
security@android.comhttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=45f6fad84cc305103b28d73482b344d7f5b76f39Issue Tracking, Patch
security@android.comhttp://rhn.redhat.com/errata/RHSA-2016-0855.htmlThird Party Advisory
security@android.comhttp://rhn.redhat.com/errata/RHSA-2016-2574.htmlThird Party Advisory
security@android.comhttp://rhn.redhat.com/errata/RHSA-2016-2584.htmlThird Party Advisory
security@android.comhttp://rhn.redhat.com/errata/RHSA-2016-2695.htmlThird Party Advisory
security@android.comhttp://source.android.com/security/bulletin/2016-08-01.htmlVendor Advisory
security@android.comhttp://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.3Release Notes
security@android.comhttp://www.securityfocus.com/bid/92227Third Party Advisory, VDB Entry
security@android.comhttps://github.com/torvalds/linux/commit/45f6fad84cc305103b28d73482b344d7f5b76f39Issue Tracking, Patch
af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=45f6fad84cc305103b28d73482b344d7f5b76f39Issue Tracking, Patch
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2016-0855.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2016-2574.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2016-2584.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2016-2695.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://source.android.com/security/bulletin/2016-08-01.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.3Release Notes
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/92227Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/45f6fad84cc305103b28d73482b344d7f5b76f39Issue Tracking, Patch
Impacted products
Vendor Product Version
google android 6.0.1
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "security@android.com"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The IPv6 stack in the Linux kernel before 4.3.3 mishandles options data, which allows local users to gain privileges or cause a denial of service (use-after-free and system crash) via a crafted sendmsg system call."
    },
    {
      "lang": "es",
      "value": "La pila IPv6 en el kernel de Linux en versiones anteriores a 4.3.3 no maneja adecuadamente datos de las opciones, lo que permite a usuarios locales obtener privilegios o provocar una denegaci\u00f3n de servicio (uso despu\u00e9s de liberaci\u00f3n y ca\u00edda de sistema) a trav\u00e9s de una llamada al sistema sendmsg manipulada."
    }
  ],
  "id": "CVE-2016-3841",
  "lastModified": "2026-06-17T00:46:26.160",
  "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
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          "baseScore": 7.3,
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          "confidentialityImpact": "HIGH",
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          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
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        "exploitabilityScore": 1.3,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
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  },
  "published": "2016-08-06T20:59:01.297",
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}



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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.


Detection rules are retrieved from Rulezet.


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.