VULNERABILITY INTELLIGENCE

CVE-2015-8554

CVSS score7.5 HIGH
EPSS probability0.40%
CISA KEVNot currently listed
Published2016-04-14
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

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."

Weakness classification

  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

Primary references