CVE-2016-9383

high

Description

Xen, when running on a 64-bit hypervisor, allows local x86 guest OS users to modify arbitrary memory and consequently obtain sensitive information, cause a denial of service (host crash), or execute arbitrary code on the host by leveraging broken emulation of bit test instructions.

References

Advisories
More

https://support.citrix.com/article/CTX218775

http://www.securitytracker.com/id/1037346

http://www.securityfocus.com/bid/94474

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

http://xenbits.xen.org/xsa/advisory-195.html

Details

Source: Mitre, NVD

Published: 2017-01-23

Updated: 2025-04-20

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

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

Severity: High

EPSS

EPSS: 0.00135