CVE-2015-8554

7.5 HIGH
Published: April 14, 2016 Modified: May 06, 2026
View on NVD

Description

Buffer overflow in hw/pt-msi.c in Xen 4.6.x and earlier, when using the qemu-xen-traditional (aka qemu-dm) device model, allows local x86 HVM guest administrators to gain privileges by leveraging a system with access to a passed-through MSI-X capable physical PCI device and MSI-X table entries, related to a "write path."

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://support.citrix.com/article/CTX203879
Source: cve@mitre.org
Vendor Advisory
http://xenbits.xen.org/xsa/advisory-164.html
Source: cve@mitre.org
Vendor Advisory
http://support.citrix.com/article/CTX203879
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.securityfocus.com/bid/79579
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id/1034481
Source: af854a3a-2127-422b-91ae-364da2661108
http://xenbits.xen.org/xsa/advisory-164.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://security.gentoo.org/glsa/201604-03
Source: af854a3a-2127-422b-91ae-364da2661108

12 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
0.1%
19th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

xen