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CVE-2015-8555

This CVE name corresponds to:

Entered	Topic
2016-01-06	xen-kernel -- information leak in legacy x86 FPU/XMM initialization

The following information is adapted from the Common Vulnerabilities and Exposures (CVE) project. CVE and the CVE logo are trademarks of The MITRE Corporation. CVE content is Copyright 2005, The MITRE Corporation.

CVE-2015-8555 at cve.mitre.org

Details

Type	Candidate
Name	CVE-2015-8555
Phase	Assigned(20151214)

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.

References

Source	Reference
CONFIRM	http://support.citrix.com/article/CTX203879
CONFIRM	http://xenbits.xen.org/xsa/advisory-165.html
BID	79543
SECTRACK	1034477