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Vulnerability Details : CVE-2015-8555

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.
Publish Date : 2016-04-13 Last Update Date : 2017-07-01
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Obtain Information
CWE ID 200

- Products Affected By CVE-2015-8555

# Product Type Vendor Product Version Update Edition Language
1 Application Citrix Xenserver 6.0 * * * Version Details Vulnerabilities
2 OS XEN XEN 4.3.0 * * * Version Details Vulnerabilities
3 OS XEN XEN 4.3.1 * * * Version Details Vulnerabilities
4 OS XEN XEN 4.3.2 * * * Version Details Vulnerabilities
5 OS XEN XEN 4.3.3 * * * Version Details Vulnerabilities
6 OS XEN XEN 4.3.4 * * * Version Details Vulnerabilities
7 OS XEN XEN 4.4.0 * * * Version Details Vulnerabilities
8 OS XEN XEN 4.4.1 * * * Version Details Vulnerabilities
9 OS XEN XEN 4.4.2 * * * Version Details Vulnerabilities
10 OS XEN XEN 4.4.3 * * * Version Details Vulnerabilities
11 OS XEN XEN 4.4.4 * * * Version Details Vulnerabilities
12 OS XEN XEN 4.5.0 * * * Version Details Vulnerabilities
13 OS XEN XEN 4.5.1 * * * Version Details Vulnerabilities
14 OS XEN XEN 4.5.2 * * * Version Details Vulnerabilities
15 OS XEN XEN 4.5.3 * * * Version Details Vulnerabilities
16 OS XEN XEN 4.6.0 * * * Version Details Vulnerabilities
17 OS XEN XEN 4.6.1 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Citrix Xenserver 1

- References For CVE-2015-8555 CONFIRM
GENTOO GLSA-201604-03
SECTRACK 1034477
BID 79543 Xen CVE-2015-8555 Information Disclosure Vulnerability Release Date:2016-07-29

- Metasploit Modules Related To CVE-2015-8555

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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