CVE-2015-8555

CVSS V2 Medium 5 CVSS V3 High 8.6
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.
Overview
  • CVE ID
  • CVE-2015-8555
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Modified
  • Published Version
  • 2016-04-13T15:59:08
  • Last Modified Date
  • 2017-07-01T01:29:26
Weakness Enumerations
CWE URL
CWE-200 http://cwe.mitre.org/data/definitions/200.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:citrix:xenserver:6.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.3.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.3.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.3.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.4.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.4.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.4.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.4.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.5.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.5.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.5.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:xen:xen:4.6.1:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • CHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 8.6
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 4
References
Reference URL Reference Tags
http://www.securitytracker.com/id/1034477
http://www.securityfocus.com/bid/79543
http://xenbits.xen.org/xsa/advisory-165.html Patch Vendor Advisory
http://support.citrix.com/article/CTX203879
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
http://www.debian.org/security/2016/dsa-3519
https://security.gentoo.org/glsa/201604-03
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2015-8555
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8555
History
Created Old Value New Value Data Type Notes
2022-05-10 09:40:38 Added to TrackCVE
2022-12-02 08:57:36 2016-04-13T15:59Z 2016-04-13T15:59:08 CVE Published Date updated
2022-12-02 08:57:36 2017-07-01T01:29:26 CVE Modified Date updated
2022-12-02 08:57:36 Modified Vulnerability Status updated