PT-2017-11606

CVE-2017-10916

Published

2017-07-05

Updated

2017-11-04

Description by

CVSS 3.1

7.5

High

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

Name of the Vulnerable Software and Affected Versions Xen versions prior to 4.9

Description The issue arises from improper interaction between the vCPU context-switch implementation and the Memory Protection Extensions (MPX) and Protection Key (PKU) features in Xen. This interaction makes it easier for guest OS users to bypass Address Space Layout Randomization (ASLR) and other protection mechanisms.

Recommendations For Xen versions prior to 4.9, update to version 4.9 or later to resolve the issue.

Exploitability

Fix

Impacts

Researchers

Vendors

Affected products

Weakness enumeration

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Related identifiers

CVE-2017-10916

DSA-3969-1