CVE-2015-8554

HIGH

Xen < 4.6.1 - Buffer Overflow in hw/pt-msi.c via MSI-X Table Entries

Title source: llm
STIX 2.1

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."

References (6)

Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1034481
Vendor Advisory x_refsource_confirm
http://xenbits.xen.org/xsa/advisory-164.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/79579
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201604-03
Vendor Advisory x_refsource_confirm
http://support.citrix.com/article/CTX203879

Scores

CVSS v3 7.5
EPSS 0.0006
EPSS Percentile 19.0%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Details

CWE
CWE-119
Status published
Products (1)
xen/xen < 4.6.1
Published Apr 14, 2016
Tracked Since Feb 18, 2026