CVE-2016-2550

5.5 MEDIUM
Published: April 27, 2016 Modified: May 06, 2026
View on NVD

Description

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=415e3d3e90ce9e18727e8843ae343eda5a58fad6
Source: security@debian.org
Vendor Advisory
http://www.debian.org/security/2016/dsa-3503
Source: security@debian.org
http://www.openwall.com/lists/oss-security/2016/02/23/2
Source: security@debian.org
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
Source: security@debian.org
http://www.ubuntu.com/usn/USN-2946-1
Source: security@debian.org
http://www.ubuntu.com/usn/USN-2946-2
Source: security@debian.org
http://www.ubuntu.com/usn/USN-2947-1
Source: security@debian.org
http://www.ubuntu.com/usn/USN-2947-2
Source: security@debian.org
http://www.ubuntu.com/usn/USN-2947-3
Source: security@debian.org
http://www.ubuntu.com/usn/USN-2948-1
Source: security@debian.org
http://www.ubuntu.com/usn/USN-2948-2
Source: security@debian.org
http://www.ubuntu.com/usn/USN-2949-1
Source: security@debian.org
https://bugzilla.redhat.com/show_bug.cgi?id=1311517
Source: security@debian.org
https://github.com/torvalds/linux/commit/415e3d3e90ce9e18727e8843ae343eda5a58fad6
Source: security@debian.org
Patch Vendor Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=415e3d3e90ce9e18727e8843ae343eda5a58fad6
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.debian.org/security/2016/dsa-3503
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2016/02/23/2
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2946-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2946-2
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2947-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2947-2
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2947-3
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2948-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2948-2
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2949-1
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugzilla.redhat.com/show_bug.cgi?id=1311517
Source: af854a3a-2127-422b-91ae-364da2661108
https://github.com/torvalds/linux/commit/415e3d3e90ce9e18727e8843ae343eda5a58fad6
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory

28 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.5 / 10.0
EPSS (Exploit Probability)
0.0%
6th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-399

Affected Vendors

linux

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