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CVE-2016-0728 (GCVE-0-2016-0728)

Vulnerability from cvelistv5 – Published: 2016-02-08 02:00 – Updated: 2024-08-05 22:30
VLAI
Summary
The join_session_keyring function in security/keys/process_keys.c in the Linux kernel before 4.4.1 mishandles object references in a certain error case, which allows local users to gain privileges or cause a denial of service (integer overflow and use-after-free) via crafted keyctl commands.
CWE
  • n/a
References
URL Tags
http://www.securitytracker.com/id/1034701 vdb-entryx_refsource_SECTRACK
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.ubuntu.com/usn/USN-2871-1 vendor-advisoryx_refsource_UBUNTU
http://rhn.redhat.com/errata/RHSA-2016-0068.html vendor-advisoryx_refsource_REDHAT
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.ubuntu.com/usn/USN-2870-2 vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.ubuntu.com/usn/USN-2872-3 vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.kernel.org/pub/linux/kernel/v4.x/Chang… x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.ubuntu.com/usn/USN-2872-1 vendor-advisoryx_refsource_UBUNTU
http://perception-point.io/2016/01/14/analysis-an… x_refsource_MISC
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.ubuntu.com/usn/USN-2871-2 vendor-advisoryx_refsource_UBUNTU
http://git.kernel.org/cgit/linux/kernel/git/torva… x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
https://h20566.www2.hpe.com/portal/site/hpsc/publ… x_refsource_CONFIRM
https://www.exploit-db.com/exploits/39277/ exploitx_refsource_EXPLOIT-DB
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://source.android.com/security/bulletin/2016-… x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://github.com/torvalds/linux/commit/23567fd0… x_refsource_CONFIRM
http://www.securityfocus.com/bid/81054 vdb-entryx_refsource_BID
http://www.ubuntu.com/usn/USN-2873-1 vendor-advisoryx_refsource_UBUNTU
https://bugzilla.redhat.com/show_bug.cgi?id=1297475 x_refsource_CONFIRM
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://rhn.redhat.com/errata/RHSA-2016-0065.html vendor-advisoryx_refsource_REDHAT
http://www.ubuntu.com/usn/USN-2870-1 vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://bto.bluecoat.com/security-advisory/sa112 x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-2872-2 vendor-advisoryx_refsource_UBUNTU
http://www.debian.org/security/2016/dsa-3448 vendor-advisoryx_refsource_DEBIAN
https://security.netapp.com/advisory/ntap-2016021… x_refsource_CONFIRM
http://rhn.redhat.com/errata/RHSA-2016-0064.html vendor-advisoryx_refsource_REDHAT
https://h20565.www2.hp.com/portal/site/hpsc/publi… vendor-advisoryx_refsource_HP
https://h20566.www2.hpe.com/portal/site/hpsc/publ… x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.openwall.com/lists/oss-security/2016/01/19/2 mailing-listx_refsource_MLIST
Date Public
2016-01-19 00:00
Show details on NVD website

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    "assignerShortName": "redhat",
    "cveId": "CVE-2016-0728",
    "datePublished": "2016-02-08T02:00:00.000Z",
    "dateReserved": "2015-12-16T00:00:00.000Z",
    "dateUpdated": "2024-08-05T22:30:03.960Z",
    "state": "PUBLISHED"
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      "descriptions": "[{\"lang\": \"en\", \"value\": \"The join_session_keyring function in security/keys/process_keys.c in the Linux kernel before 4.4.1 mishandles object references in a certain error case, which allows local users to gain privileges or cause a denial of service (integer overflow and use-after-free) via crafted keyctl commands.\"}, {\"lang\": \"es\", \"value\": \"La funci\\u00f3n join_session_keyring en security/keys/process_keys.c en el kernel de Linux en versiones anteriores a 4.4.1 no maneja correctamente referencias a objetos en un cierto caso de error, lo que permite a usuarios locales obtener privilegios o provocar una denegaci\\u00f3n de servicio (desbordamiento de entero y uso despu\\u00e9s de liberaci\\u00f3n) a trav\\u00e9s de comandos keyctl manipulados.\"}]",
      "evaluatorComment": "CWE-190: Integer Overflow or Wraparound \n\nCWE-416: Use After Free",
      "id": "CVE-2016-0728",
      "lastModified": "2024-11-21T02:42:15.853",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 7.8, \"baseSeverity\": \"HIGH\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:L/AC:L/Au:N/C:C/I:C/A:C\", \"baseScore\": 7.2, \"accessVector\": \"LOCAL\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"COMPLETE\", \"integrityImpact\": \"COMPLETE\", \"availabilityImpact\": \"COMPLETE\"}, \"baseSeverity\": \"HIGH\", \"exploitabilityScore\": 3.9, \"impactScore\": 10.0, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2016-02-08T03:59:10.887",
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Advisory\"]},{\"url\":\"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20160211-0001/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.exploit-db.com/exploits/39277/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]}],\"evaluatorComment\":\"CWE-190: Integer Overflow or Wraparound \\n\\nCWE-416: Use After Free\"}}",
    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2026-06-28T10:59:53+00:00",
      "cve": "CVE-2016-0728",
      "id": "CVE-2016-0728",
      "initial_release_date": "2016-01-19T00:00:00+00:00",
      "product_status:fixed": "309",
      "product_status:known_not_affected": "16",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Possible use-after-free vulnerability in keyring facility",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-0728.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-07-26T17:01:23Z",
      "cve": "CVE-2016-0728",
      "id": "CVE-2016-0728",
      "initial_release_date": "2023-02-15T05:09:22Z",
      "product_status:known_affected": "30",
      "product_status:known_not_affected": "235",
      "product_status:recommended": "361",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2016-0728",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2016-0728.json",
      "version": "14"
    }
  }
}



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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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Detection rules are retrieved from Rulezet.

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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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