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MitreCVE-2016-3961

HistoryApr 15, 2016 - 2:59 p.m.

CVE-2016-3961

2016-04-1514:59:14

CWE-20

mitre

web.nvd.nist.gov

cve-2016-3961

xen

linux kernel

vulnerability

os crash

hugetlbfs

nvd

security

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

AI Score

5.6

Confidence

High

EPSS

0.001

Percentile

28.1%

JSON

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.

Affected configurations

Nvd

Node

canonicalubuntu_linuxMatch14.04lts

canonicalubuntu_linuxMatch15.10

canonicalubuntu_linuxMatch16.04lts

Node

xenxenRange≤4.5.3

VendorProductVersionCPE
canonicalubuntu_linux14.04cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
canonicalubuntu_linux15.10cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
canonicalubuntu_linux16.04cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
xenxen*cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
canonical	ubuntu_linux	14.04	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
canonical	ubuntu_linux	15.10	cpe:2.3:o:canonical:ubuntu_linux:15.10:::::::*
canonical	ubuntu_linux	16.04	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
xen	xen	*	cpe:2.3:o:xen:xen::::::::