CVE-2015-8555 PUBLISHED

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.

EPSS 0.55% · 67.8th percentile

Risk Scores

EPSS Score
0.55%
67.8th percentile

Affected Products

VendorProductVersions
Ubuntu:14.04:LTSxen0, 4.3.0-1ubuntu1, 4.3.0-1ubuntu2

Timeline

References

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