Vulnerability DatabaseCVE-2015-8554
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CVE-2015-8554
Published:April 14, 2016
Updated:October 10, 2026
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."
Related Resources (8)
https://security-tracker.debian.org/tracker/CVE-2015-8554
http://support.citrix.com/article/CTX203879
https://security.gentoo.org/glsa/201604-03
http://www.securityfocus.com/bid/79579
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
http://xenbits.xen.org/xsa/advisory-164.html
https://access.redhat.com/security/cve/CVE-2015-8554
http://www.securitytracker.com/id/1034481
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CVSS v4
Base Score:
8.7
Attack Vector
LOCAL
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
HIGH
CVSS v3
Base Score:
7.5
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-119
EPSS
Base Score:
0.40