CVE-2015-8555

2016-04-1300:00:00

ubuntu.com

8.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

0.003 Low

EPSS

Percentile

69.8%

JSON

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.

OSVersionArchitecturePackageVersionFilename
ubuntu12.04noarchxen< 4.1.6.1-0ubuntu0.12.04.8UNKNOWN
ubuntu14.04noarchxen< 4.4.2-0ubuntu0.14.04.4UNKNOWN
ubuntu15.04noarchxen< 4.5.0-1ubuntu4.4UNKNOWN
ubuntu15.10noarchxen< 4.5.1-0ubuntu1.2UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	12.04	noarch	xen	< 4.1.6.1-0ubuntu0.12.04.8	UNKNOWN
ubuntu	14.04	noarch	xen	< 4.4.2-0ubuntu0.14.04.4	UNKNOWN
ubuntu	15.04	noarch	xen	< 4.5.0-1ubuntu4.4	UNKNOWN
ubuntu	15.10	noarch	xen	< 4.5.1-0ubuntu1.2	UNKNOWN