Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.

Published

2016-04-13T15:59:08.290

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 8.6 (HIGH)

CVSSv2 Vector

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

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-200
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application citrix xenserver 6.0 Yes
Operating System xen xen 4.3.0 Yes
Operating System xen xen 4.3.1 Yes
Operating System xen xen 4.3.2 Yes
Operating System xen xen 4.3.3 Yes
Operating System xen xen 4.3.4 Yes
Operating System xen xen 4.4.0 Yes
Operating System xen xen 4.4.1 Yes
Operating System xen xen 4.4.2 Yes
Operating System xen xen 4.4.3 Yes
Operating System xen xen 4.4.4 Yes
Operating System xen xen 4.5.0 Yes
Operating System xen xen 4.5.1 Yes
Operating System xen xen 4.5.2 Yes
Operating System xen xen 4.5.3 Yes
Operating System xen xen 4.6.0 Yes
Operating System xen xen 4.6.1 Yes
References