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Gentoo FoundationGLSA-201702-27

HistoryFeb 21, 2017 - 12:00 a.m.

Xen: Multiple vulnerabilities

2017-02-2100:00:00

Gentoo Foundation

security.gentoo.org

9 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

50.8%

JSON

Background

Xen is a bare-metal hypervisor.

Description

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

Impact

A local attacker could potentially execute arbitrary code with privileges of Xen (QEMU) process on the host, 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-r5"

All Xen Tools users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose
 "&gt;=app-emulation/xen-tools-4.7.1-r6"

OSVersionArchitecturePackageVersionFilename
Gentooanyallapp-emulation/xen< 4.7.1-r5UNKNOWN
Gentooanyallapp-emulation/xen-tools< 4.7.1-r6UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Gentoo	any	all	app-emulation/xen	< 4.7.1-r5	UNKNOWN
Gentoo	any	all	app-emulation/xen-tools	< 4.7.1-r6	UNKNOWN

9 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

50.8%

JSON

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