Vulnerability-Lookup

FKIE_CVE-2016-9806

Vulnerability from fkie_nvd - Published: 2016-12-28 07:59 - Updated: 2026-06-17 00:56

Severity

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

Race condition in the netlink_dump function in net/netlink/af_netlink.c in the Linux kernel before 4.6.3 allows local users to cause a denial of service (double free) or possibly have unspecified other impact via a crafted application that makes sendmsg system calls, leading to a free operation associated with a new dump that started earlier than anticipated.

References

URL	Tags
cve@mitre.org	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=92964c79b357efd980812c4de5c1fd2ec8bb5520	Patch, Vendor Advisory
cve@mitre.org	http://lists.openwall.net/netdev/2016/05/15/69	Mailing List, Third Party Advisory
cve@mitre.org	http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.3	Release Notes, Vendor Advisory
cve@mitre.org	http://www.openwall.com/lists/oss-security/2016/12/03/4	Mailing List, Patch, Third Party Advisory
cve@mitre.org	http://www.securityfocus.com/bid/94653	Third Party Advisory, VDB Entry
cve@mitre.org	http://www.securitytracker.com/id/1037968	Third Party Advisory, VDB Entry
cve@mitre.org	https://access.redhat.com/errata/RHSA-2017:1842	Third Party Advisory
cve@mitre.org	https://access.redhat.com/errata/RHSA-2017:2077	Third Party Advisory
cve@mitre.org	https://access.redhat.com/errata/RHSA-2017:2669	Third Party Advisory
cve@mitre.org	https://bugzilla.redhat.com/show_bug.cgi?id=1401502	Issue Tracking, Patch
cve@mitre.org	https://github.com/torvalds/linux/commit/92964c79b357efd980812c4de5c1fd2ec8bb5520	Patch, Third Party Advisory
cve@mitre.org	https://source.android.com/security/bulletin/2017-03-01.html	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=92964c79b357efd980812c4de5c1fd2ec8bb5520	Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	http://lists.openwall.net/netdev/2016/05/15/69	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.3	Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2016/12/03/4	Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.securityfocus.com/bid/94653	Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108	http://www.securitytracker.com/id/1037968	Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108	https://access.redhat.com/errata/RHSA-2017:1842	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://access.redhat.com/errata/RHSA-2017:2077	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://access.redhat.com/errata/RHSA-2017:2669	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://bugzilla.redhat.com/show_bug.cgi?id=1401502	Issue Tracking, Patch
af854a3a-2127-422b-91ae-364da2661108	https://github.com/torvalds/linux/commit/92964c79b357efd980812c4de5c1fd2ec8bb5520	Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://source.android.com/security/bulletin/2017-03-01.html	Third Party Advisory

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
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      ],
      "source": "cve@mitre.org"
    }
  ],
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              "versionEndExcluding": "3.12.62",
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              "versionEndExcluding": "4.6.3",
              "versionStartIncluding": "4.5",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
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      ]
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  ],
  "cveTags": [],
  "descriptions": [
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      "lang": "en",
      "value": "Race condition in the netlink_dump function in net/netlink/af_netlink.c in the Linux kernel before 4.6.3 allows local users to cause a denial of service (double free) or possibly have unspecified other impact via a crafted application that makes sendmsg system calls, leading to a free operation associated with a new dump that started earlier than anticipated."
    },
    {
      "lang": "es",
      "value": "Condici\u00f3n de carrera en la funci\u00f3n netlink_dump en net/netlink/af_netlink.c en el kernel de Linux en versiones anteriores a 4.6.3 permite a usuarios locales provocar una denegaci\u00f3n de servicio (liberaci\u00f3n doble) o posiblemente tener otro impacto no especificado a trav\u00e9s de una aplicaci\u00f3n manipulada que realiza llamadas al sistema sendmsg, conduciendo a una operaci\u00f3n libre asociada con un nuevo volcado que comenz\u00f3 antes de lo anticipado."
    }
  ],
  "id": "CVE-2016-9806",
  "lastModified": "2026-06-17T00:56:34.573",
  "metrics": {
    "cvssMetricV2": [
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          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
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          "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"
        },
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        "type": "Primary"
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  "published": "2016-12-28T07:59:00.667",
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      "tags": [
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          "value": "CWE-415"
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  ]
}

CVE-2016-9806 (GCVE-0-2016-9806)

Vulnerability from cvelistv5 – Published: 2016-12-28 07:42 – Updated: 2024-08-06 02:59

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

12 references

URL	Tags
http://www.securityfocus.com/bid/94653	vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1037968	vdb-entryx_refsource_SECTRACK
http://www.openwall.com/lists/oss-security/2016/12/03/4	mailing-listx_refsource_MLIST
https://access.redhat.com/errata/RHSA-2017:2669	vendor-advisoryx_refsource_REDHAT
https://github.com/torvalds/linux/commit/92964c79…	x_refsource_CONFIRM
http://lists.openwall.net/netdev/2016/05/15/69	mailing-listx_refsource_MLIST
http://git.kernel.org/cgit/linux/kernel/git/torva…	x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2017:2077	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2017:1842	vendor-advisoryx_refsource_REDHAT
https://source.android.com/security/bulletin/2017…	x_refsource_CONFIRM
http://www.kernel.org/pub/linux/kernel/v4.x/Chang…	x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1401502	x_refsource_CONFIRM

Date Public

2016-05-15 00:00

Show details on NVD website

JSON

To clipboard

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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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

Action not permitted

FKIE_CVE-2016-9806

CVE-2016-9806 (GCVE-0-2016-9806)

Tags

Sightings

Nomenclature

Related by attack behaviour