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Gentoo FoundationGLSA-201705-11

HistoryMay 26, 2017 - 12:00 a.m.

Xen: Multiple vulnerabilities

2017-05-2600:00:00

Gentoo Foundation

security.gentoo.org

7.2 High

CVSS2

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

8.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

32.1%

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, or cause a Denial of Service condition.

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-4.7.2-r1:0"

All Xen Tools users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose "&gt;=app-emulation/xen-tools-4.7.2:0"

All Xen pvgrub users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose
 "&gt;=app-emulation/xen-pvgrub-4.7.2:0"

OSVersionArchitecturePackageVersionFilename
Gentooanyallapp-emulation/xen< 4.7.2-r1UNKNOWN
Gentooanyallapp-emulation/xen-tools< 4.7.2UNKNOWN
Gentooanyallapp-emulation/xen-pvgrub< 4.7.2UNKNOWN