CVE-2015-8555

HighCVSS 8.6/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.0 8.6/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Weakness enumeration

CWE-200

Affected software

No affected versions have been published.

Timeline

Published: Apr 13, 2016
Last modified: Jun 17, 2026
NVD status: Modified

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