CVE-2016-2550 (GCVE-0-2016-2550)

Vulnerability from cvelistv5 – Published: 2016-04-27 17:00 – Updated: 2024-08-05 23:32
VLAI
Summary
The Linux kernel before 4.5 allows local users to bypass file-descriptor limits and cause a denial of service (memory consumption) by leveraging incorrect tracking of descriptor ownership and sending each descriptor over a UNIX socket before closing it. NOTE: this vulnerability exists because of an incorrect fix for CVE-2013-4312.
Severity
5.5 (Medium)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • n/a
Assigner
References
URL Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1311517 x_refsource_CONFIRM
http://www.oracle.com/technetwork/security-adviso… x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-2949-1 vendor-advisoryx_refsource_UBUNTU
http://www.openwall.com/lists/oss-security/2016/02/23/2 mailing-listx_refsource_MLIST
http://www.debian.org/security/2016/dsa-3503 vendor-advisoryx_refsource_DEBIAN
http://git.kernel.org/cgit/linux/kernel/git/torva… x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-2947-3 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-2947-2 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-2947-1 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-2946-2 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-2948-1 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-2946-1 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-2948-2 vendor-advisoryx_refsource_UBUNTU
https://github.com/torvalds/linux/commit/415e3d3e… x_refsource_CONFIRM
Date Public
2016-02-23 00:00
Show details on NVD website
To clipboard 

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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.


Detection rules are retrieved from Rulezet.