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Gentoo FoundationGLSA-201612-56

HistoryDec 31, 2016 - 12:00 a.m.

Xen: Multiple vulnerabilities

2016-12-3100:00:00

Gentoo Foundation

security.gentoo.org

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

7.5

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

EPSS

0.001

Percentile

32.1%

JSON

Background

Xen is a bare-metal hypervisor.

Description

Multiple vulnerabilities have been discovered in Xen. Please review the CVE identifiers referenced below for details.

Impact

A local attacker could possibly execute arbitrary code with the privileges of the process, could gain privileges on the host system, cause a Denial of Service condition, or obtain sensitive information.

Workaround

There is no known workaround at this time.

Resolution

All Xen users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose "&gt;=app-emulation/xen-4.7.1-r4"

All Xen Tools users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose
 "&gt;=app-emulation/xen-tools-4.7.1-r4"

All Xen PvGrub users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose
 "&gt;=app-emulation/xen-pvgrub-4.7.1-r1"

OSVersionArchitecturePackageVersionFilename
Gentooanyallapp-emulation/xen< 4.7.1-r4UNKNOWN
Gentooanyallapp-emulation/xen-tools< 4.7.1-r4UNKNOWN
Gentooanyallapp-emulation/xen-pvgrub< 4.7.1-r1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Gentoo	any	all	app-emulation/xen	< 4.7.1-r4	UNKNOWN
Gentoo	any	all	app-emulation/xen-tools	< 4.7.1-r4	UNKNOWN
Gentoo	any	all	app-emulation/xen-pvgrub	< 4.7.1-r1	UNKNOWN