CVE-2015-8555

CVE Details

Release Date:	2015-12-17
Impact:	Low	What is this?

Description

Xen 4.6.x, 4.5.x, 4.4.x, 4.3.x, and earlier do not initialize x86 FPUstack 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.

See more information about CVE-2015-8555 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v2 metrics

Base Score:	1.8
Vector String:	AV:A/AC:H/Au:N/C:P/I:N/A:N
Version:	2.0
Attack Vector:	Adjacent Network
Attack Complexity:	High
Authentication:	None
Confidentiality Impact:	Partial
Integrity Impact:	None
Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle VM version 3.2 (xen)	OVMSA-2016-0081	2016-06-20
Oracle VM version 3.3 (xen)	OVMSA-2016-0007	2016-01-25