CVE-2016-3961

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.

CVSS v3.0 5.5 MEDIUM
CVSS v2.0 2.1 LOW

5.5^/10

CVSS v3.0 : MEDIUM

Vector : AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://www.securitytracker.com/id/1035569	Third Party Advisory VDB Entry
http://xenbits.xen.org/xsa/advisory-174.html	Vendor Advisory
http://xenbits.xen.org/xsa/xsa174.patch	Patch
http://www.ubuntu.com/usn/USN-3002-1	Third Party Advisory
http://www.ubuntu.com/usn/USN-3003-1	Third Party Advisory
http://www.ubuntu.com/usn/USN-3001-1	Third Party Advisory
http://www.ubuntu.com/usn/USN-3004-1	Third Party Advisory
http://www.ubuntu.com/usn/USN-3007-1	Third Party Advisory
http://www.ubuntu.com/usn/USN-3005-1	Third Party Advisory
http://www.ubuntu.com/usn/USN-3006-1	Third Party Advisory
http://www.debian.org/security/2016/dsa-3607
http://www.ubuntu.com/usn/USN-3050-1
http://www.securityfocus.com/bid/86068
http://www.ubuntu.com/usn/USN-3049-1

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:15.10:::::::*

Configuration 2 (hide)

cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*

Information

Published : 2016-04-15 07:59

Updated : 2016-11-28 12:14

NVD link : CVE-2016-3961

Mitre link : CVE-2016-3961

JSON object : View

CWE

CWE-20

Improper Input Validation

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Products Affected

canonical

ubuntu_linux

xen

xen

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