CVE-2016-9932

3.3 LOW

Published: January 26, 2017 Modified: May 13, 2026

Description

CMPXCHG8B emulation in Xen 3.3.x through 4.7.x on x86 systems allows local HVM guest OS users to obtain sensitive information from host stack memory via a "supposedly-ignored" operand size prefix.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://www.debian.org/security/2017/dsa-3847

Source: cve@mitre.org

http://www.securityfocus.com/bid/94863

Source: cve@mitre.org

Third Party Advisory VDB Entry

http://www.securitytracker.com/id/1037468

Source: cve@mitre.org

Third Party Advisory VDB Entry

http://xenbits.xen.org/xsa/advisory-200.html

Source: cve@mitre.org

Patch Vendor Advisory

https://security.gentoo.org/glsa/201612-56

Source: cve@mitre.org

https://support.citrix.com/article/CTX219378

Source: cve@mitre.org

Vendor Advisory

http://www.debian.org/security/2017/dsa-3847