CVE-2016-4998 (GCVE-0-2016-4998)

Vulnerability from cvelistv5 – Published: 2016-07-03 21:00 – Updated: 2024-08-06 00:46
VLAI
Summary
The IPT_SO_SET_REPLACE setsockopt implementation in the netfilter subsystem in the Linux kernel before 4.6 allows local users to cause a denial of service (out-of-bounds read) or possibly obtain sensitive information from kernel heap memory by leveraging in-container root access to provide a crafted offset value that leads to crossing a ruleset blob boundary.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-3017-1 vendor-advisoryx_refsource_UBUNTU
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-3017-3 vendor-advisoryx_refsource_UBUNTU
http://rhn.redhat.com/errata/RHSA-2016-1847.html vendor-advisoryx_refsource_REDHAT
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.ubuntu.com/usn/USN-3018-2 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-3017-2 vendor-advisoryx_refsource_UBUNTU
http://rhn.redhat.com/errata/RHSA-2016-1875.html vendor-advisoryx_refsource_REDHAT
http://www.ubuntu.com/usn/USN-3019-1 vendor-advisoryx_refsource_UBUNTU
http://www.debian.org/security/2016/dsa-3607 vendor-advisoryx_refsource_DEBIAN
http://www.ubuntu.com/usn/USN-3016-2 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-3016-1 vendor-advisoryx_refsource_UBUNTU
http://www.openwall.com/lists/oss-security/2016/06/24/5 mailing-listx_refsource_MLIST
http://www.ubuntu.com/usn/USN-3018-1 vendor-advisoryx_refsource_UBUNTU
http://www.securitytracker.com/id/1036171 vdb-entryx_refsource_SECTRACK
https://github.com/torvalds/linux/commit/6e94e0cf… x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1349886 x_refsource_CONFIRM
http://git.kernel.org/cgit/linux/kernel/git/torva… x_refsource_CONFIRM
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
http://rhn.redhat.com/errata/RHSA-2016-1883.html vendor-advisoryx_refsource_REDHAT
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.ubuntu.com/usn/USN-3016-3 vendor-advisoryx_refsource_UBUNTU
http://rhn.redhat.com/errata/RHSA-2017-0036.html vendor-advisoryx_refsource_REDHAT
http://www.ubuntu.com/usn/USN-3016-4 vendor-advisoryx_refsource_UBUNTU
http://www.securityfocus.com/bid/91451 vdb-entryx_refsource_BID
http://www.ubuntu.com/usn/USN-3020-1 vendor-advisoryx_refsource_UBUNTU
Date Public
2016-06-24 00:00
Show details on NVD website
To clipboard 

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      "sourceIdentifier": "secalert@redhat.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-119\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2016-4998\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2016-07-03T21:59:17.167\",\"lastModified\":\"2026-05-06T22:30:45.220\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The IPT_SO_SET_REPLACE setsockopt implementation in the netfilter subsystem in the Linux kernel before 4.6 allows local users to cause a denial of service (out-of-bounds read) or possibly obtain sensitive information from kernel heap memory by leveraging in-container root access to provide a crafted offset value that leads to crossing a ruleset blob boundary.\"},{\"lang\":\"es\",\"value\":\"La implementaci\u00f3n de setsockopt IPT_SO_SET_REPLACEIPT_SO_SET_REPLACE en el subsistema de netfilter en el kernel de Linux en versiones anteriores a 4.6 permite a usuarios locales provocar una denegaci\u00f3n de servicio (lectura fuera de l\u00edmites) o posiblemente obtener informaci\u00f3n sensible de la memoria din\u00e1mica del 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  }
}


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Tags
Taxonomy of the tags.




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.