CVE-2016-2547 (GCVE-0-2016-2547)

Vulnerability from cvelistv5 – Published: 2016-04-27 17:00 – Updated: 2024-08-05 23:32
VLAI?
Summary
sound/core/timer.c in the Linux kernel before 4.4.1 employs a locking approach that does not consider slave timer instances, which allows local users to cause a denial of service (race condition, use-after-free, and system crash) 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://www.ubuntu.com/usn/USN-2967-1 vendor-advisoryx_refsource_UBUNTU
http://www.kernel.org/pub/linux/kernel/v4.x/Chang… x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1311566 x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-2930-2 vendor-advisoryx_refsource_UBUNTU
https://github.com/torvalds/linux/commit/b5a663aa… x_refsource_CONFIRM
http://git.kernel.org/cgit/linux/kernel/git/torva… x_refsource_CONFIRM
http://www.debian.org/security/2016/dsa-3503 vendor-advisoryx_refsource_DEBIAN
http://www.securityfocus.com/bid/83378 vdb-entryx_refsource_BID
http://www.ubuntu.com/usn/USN-2967-2 vendor-advisoryx_refsource_UBUNTU
http://www.openwall.com/lists/oss-security/2016/01/19/1 mailing-listx_refsource_MLIST
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.ubuntu.com/usn/USN-2929-1 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-2932-1 vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.securitytracker.com/id/1035298 vdb-entryx_refsource_SECTRACK
http://www.ubuntu.com/usn/USN-2931-1 vendor-advisoryx_refsource_UBUNTU
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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      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-362\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2016-2547\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2016-04-27T17:59:17.100\",\"lastModified\":\"2026-05-06T22:30:45.220\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"sound/core/timer.c in the Linux kernel before 4.4.1 employs a locking approach that does not consider slave timer instances, which allows local users to cause a denial of service (race condition, use-after-free, and system crash) via a crafted ioctl call.\"},{\"lang\":\"es\",\"value\":\"sound/core/timer.c en el kernel de Linux en versiones anteriores a 4.4.1 emplea un enfoque de bloqueo que no considera los casos de temporizador de esclavos, lo que permite a usuarios locales causar una denegaci\u00f3n de servicio (condici\u00f3n de carrera, uso despu\u00e9s de liberaci\u00f3n de memoria y ca\u00edda del sistema) a trav\u00e9s de una llamada ioctl 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Advisory\"]}]}}"
  }
}


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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.