CVEvulnerability

CVE-2015-8555

8.6 HIGH Published 2016-04-13 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2016-04-13
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
8.6 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
Weaknesses
CWE-200

Description

Xen 4.6.x, 4.5.x, 4.4.x, 4.3.x, and earlier do not initialize x86 FPU stack and XMM registers when XSAVE/XRSTOR are not used to manage guest extended register state, which allows local guest domains to obtain sensitive information from other domains via unspecified vectors.

Affected configurations

• citrix xenserver 6.0 • xen xen 4.3.0 • xen xen 4.3.1 • xen xen 4.3.2 • xen xen 4.3.3 • xen xen 4.3.4 • xen xen 4.4.0 • xen xen 4.4.1 • xen xen 4.4.2 • xen xen 4.4.3 • xen xen 4.4.4 • xen xen 4.5.0 • xen xen 4.5.1 • xen xen 4.5.2 • xen xen 4.5.3 • xen xen 4.6.0 • xen xen 4.6.1

Related

Weakness · CWE (1)

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness

References