PT-2017-11606 · Xen+1 · Xen+1

Andrew Cooper · Published 2017-07-05 · Updated 2017-11-04 · CVE-2017-10916

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV: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.

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

CVE-2017-10916

DSA-3969-1

SUSE-SU-2017:1812-1

Affected Products

Suse

Xen

References · 52

• https://cve.org/CVERecord?id=CVE-2017-10916 · Security Note
• https://xenbits.xen.org/xsa/advisory-220.html · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-10916 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-10916 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2017-10916 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-10916 · Security Note
• http://debian.org/security/2017/dsa-3969 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-10916 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-3969-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2017:1812-1 · Vendor Advisory
• https://security.gentoo.org/glsa/201708-03 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2017-10916 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-10916 · Vendor Advisory
• https://suse.com/security/cve/CVE-2017-10918 · Note
• https://suse.com/security/cve/CVE-2017-10917 · Note