CVE-2016-2543 (GCVE-0-2016-2543)

Vulnerability from cvelistv5 – Published: 2016-04-27 17:00 – Updated: 2024-08-05 23:32
VLAI?
Summary
The snd_seq_ioctl_remove_events function in sound/core/seq/seq_clientmgr.c in the Linux kernel before 4.4.1 does not verify FIFO assignment before proceeding with FIFO clearing, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via a crafted ioctl call.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://www.ubuntu.com/usn/USN-2930-1 vendor-advisoryx_refsource_UBUNTU
http://git.kernel.org/cgit/linux/kernel/git/torva… x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-2967-1 vendor-advisoryx_refsource_UBUNTU
http://www.kernel.org/pub/linux/kernel/v4.x/Chang… x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-2930-2 vendor-advisoryx_refsource_UBUNTU
https://github.com/torvalds/linux/commit/030e2c78… x_refsource_CONFIRM
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http://www.ubuntu.com/usn/USN-2930-3 vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.securityfocus.com/bid/83377 vdb-entryx_refsource_BID
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http://www.ubuntu.com/usn/USN-2932-1 vendor-advisoryx_refsource_UBUNTU
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http://www.ubuntu.com/usn/USN-2931-1 vendor-advisoryx_refsource_UBUNTU
http://www.securitytracker.com/id/1035304 vdb-entryx_refsource_SECTRACK
http://www.ubuntu.com/usn/USN-2929-2 vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
Date Public ?
2016-01-19 00:00
Show details on NVD website
To clipboard 

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      "references": "[{\"url\": \"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=030e2c78d3a91dd0d27fef37e91950dde333eba1\", \"source\": \"cve@mitre.org\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.debian.org/security/2016/dsa-3503\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1\", \"source\": \"cve@mitre.org\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2016/01/19/1\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.securityfocus.com/bid/83377\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.securitytracker.com/id/1035304\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-2929-1\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-2929-2\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-2930-1\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-2930-2\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-2930-3\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-2931-1\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-2932-1\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-2967-1\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-2967-2\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=1311554\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://github.com/torvalds/linux/commit/030e2c78d3a91dd0d27fef37e91950dde333eba1\", \"source\": \"cve@mitre.org\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}, {\"url\": \"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=030e2c78d3a91dd0d27fef37e91950dde333eba1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.debian.org/security/2016/dsa-3503\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2016/01/19/1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.securityfocus.com/bid/83377\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.securitytracker.com/id/1035304\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-2929-1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-2929-2\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-2930-1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-2930-2\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-2930-3\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-2931-1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-2932-1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-2967-1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-2967-2\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=1311554\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://github.com/torvalds/linux/commit/030e2c78d3a91dd0d27fef37e91950dde333eba1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}]",
      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"NVD-CWE-Other\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2016-2543\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2016-04-27T17:59:12.913\",\"lastModified\":\"2026-05-06T22:30:45.220\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The snd_seq_ioctl_remove_events function in sound/core/seq/seq_clientmgr.c in the Linux kernel before 4.4.1 does not verify FIFO assignment before proceeding with FIFO clearing, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via a crafted ioctl call.\"},{\"lang\":\"es\",\"value\":\"La funci\u00f3n snd_seq_ioctl_remove_events en sound/core/seq/seq_clientmgr.c en el kernel de Linux en versiones anteriores a 4.4.1 no verifica la asignaci\u00f3n FIFO antes de proceder con la limpieza FIFO, lo que permite a usuarios locales causar una denegaci\u00f3n de servicio (referencia a puntero NULL y OOPS) a trav\u00e9s de una llamada ioctl manipulada.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":6.2,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.5,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:N/I:N/A:C\",\"baseScore\":4.9,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.9,\"impactScore\":6.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-Other\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"4.4\",\"matchCriteriaId\":\"8B458ACF-17C3-4551-9F11-8D02B6D52B7C\"}]}]}],\"references\":[{\"url\":\"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=030e2c78d3a91dd0d27fef37e91950dde333eba1\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor 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Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2016/01/19/1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.securityfocus.com/bid/83377\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.securitytracker.com/id/1035304\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2929-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2929-2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2930-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2930-2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2930-3\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2931-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2932-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2967-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2967-2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1311554\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://github.com/torvalds/linux/commit/030e2c78d3a91dd0d27fef37e91950dde333eba1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]}],\"evaluatorComment\":\"\u003ca href=\\\"http://cwe.mitre.org/data/definitions/476.html\\\"\u003eCWE-476: NULL Pointer Dereference\u003c/a\u003e\"}}"
  }
}


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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.