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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2016-04-13T15:00:00

Updated: 2024-08-06T08:20:43.162Z

Reserved: 2015-12-14T00:00:00

Link: CVE-2015-8555

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2016-04-13T15:59:08.290

Modified: 2017-07-01T01:29:26.530

Link: CVE-2015-8555

cve-icon Redhat

Severity : Low

Publid Date: 2015-12-17T00:00:00Z

Links: CVE-2015-8555 - Bugzilla