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.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-479-1 | xen security update |
Debian DSA |
DSA-3519-1 | xen security update |
EUVD |
EUVD-2015-8435 | 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
History
No history.
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-06T08:20:43.162Z
Reserved: 2015-12-14T00:00:00.000Z
Link: CVE-2015-8555
No data.
Status : Modified
Published: 2016-04-13T15:59:08.290
Modified: 2026-05-06T22:30:45.220
Link: CVE-2015-8555
OpenCVE Enrichment
No data.
Weaknesses
Debian DLA
Debian DSA
EUVD