PT-2017-10352 · Citrix · Xen

Published 2017-02-27 · Updated 2017-07-28 · CVE-2016-9817

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV: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 prior to 4.8

Description The issue allows local ARM guest OS users to cause a denial of service, resulting in a host crash. This can be achieved through vectors involving a data or prefetch abort with the ESR EL2.EA bit set.

Recommendations For versions prior to 4.8, update to version 4.8 or later to resolve the issue.

Fix

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

CVE-2016-9817

Affected Products

Xen

References · 18

• http://xenbits.xen.org/xsa/advisory-201.html · Vendor Advisory
• https://security.gentoo.org/glsa/201612-56 · Vendor Advisory
• http://xenbits.xen.org/xsa/xsa201-3-4.7.patch · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-9817 · Vendor Advisory
• http://xenbits.xen.org/xsa/xsa201-3.patch · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-9817 · Security Note
• https://osv.dev/vulnerability/ALPINE-CVE-2016-9817 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2016-9817 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2016-9817 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2016-9817 · Security Note
• https://ubuntu.com/security/CVE-2016-9817 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2016-9817 · Vendor Advisory
• http://securityfocus.com/bid/94581 · Note
• http://openwall.com/lists/oss-security/2016/12/05/7 · Note
• http://openwall.com/lists/oss-security/2016/11/29/3 · Note