CVEvulnerability

CVE-2015-8554

7.5 HIGH Published 2016-04-14 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2016-04-14
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
7.5 HIGH — CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.6 MEDIUM — AV:L/AC:M/Au:S/C:C/I:C/A:C
Weaknesses
CWE-119

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."

Affected configurations

• xen xen (<= 4.6.1)

Related

Weakness · CWE (1)

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

References