CVE-2016-3961

5.5 MEDIUM
Published: April 15, 2016 Modified: May 06, 2026
View on NVD

Description

Xen and the Linux kernel through 4.5.x do not properly suppress hugetlbfs support in x86 PV guests, which allows local PV guest OS users to cause a denial of service (guest OS crash) by attempting to access a hugetlbfs mapped area.

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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://www.securitytracker.com/id/1035569
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-3001-1
Source: cve@mitre.org
Third Party Advisory
http://www.ubuntu.com/usn/USN-3002-1
Source: cve@mitre.org
Third Party Advisory
http://www.ubuntu.com/usn/USN-3003-1
Source: cve@mitre.org
Third Party Advisory
http://www.ubuntu.com/usn/USN-3004-1
Source: cve@mitre.org
Third Party Advisory
http://www.ubuntu.com/usn/USN-3005-1
Source: cve@mitre.org
Third Party Advisory
http://www.ubuntu.com/usn/USN-3006-1
Source: cve@mitre.org
Third Party Advisory
http://www.ubuntu.com/usn/USN-3007-1
Source: cve@mitre.org
Third Party Advisory
http://xenbits.xen.org/xsa/advisory-174.html
Source: cve@mitre.org
Vendor Advisory
http://xenbits.xen.org/xsa/xsa174.patch
Source: cve@mitre.org
Patch
http://www.debian.org/security/2016/dsa-3607
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/86068
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id/1035569
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-3001-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-3002-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-3003-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-3004-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-3005-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-3006-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-3007-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-3049-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-3050-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://xenbits.xen.org/xsa/advisory-174.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://xenbits.xen.org/xsa/xsa174.patch
Source: af854a3a-2127-422b-91ae-364da2661108
Patch

28 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.5 / 10.0
EPSS (Exploit Probability)
0.1%
31th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

canonical xen