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CVE-2015-8555

CVE-2015-8555

EPSS 2.3%
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.
Affected products
n/a · n/a

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References
https://security.gentoo.org/glsa/201604-03http://support.citrix.com/article/CTX203879http://www.debian.org/security/2016/dsa-3519http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlhttp://www.securityfocus.com/bid/79543http://www.securitytracker.com/id/1034477http://xenbits.xen.org/xsa/advisory-165.html