PT-2017-14119

CVE-2017-15591

Published

2017-10-18

Updated

2018-01-16

Description by

CVSS 3.1

6.5

Medium

MetricsAV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Xen versions 4.5.x through 4.9.x

Description An issue in the DMOP map/unmap implementation allows attackers who control a stub domain kernel or tool stack to cause a denial of service, resulting in a host OS crash, due to a missing comparison of range start to range end.

Recommendations For Xen versions 4.5.x through 4.9.x, update to a version that includes the fix for the DMOP map/unmap implementation issue to prevent a denial of service.

Exploitability

Fix

Impacts

Researchers

Vitaly Kuznetsov

Vendors

Affected products

Weakness enumeration

CWE-20: Improper Input Validation

Related identifiers

CVE-2017-15591

DSA-4050-1