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Security Database

CVE

CWE

Training

CVE-2016-7777

Published: Oct 7, 2016

Modified: Aug 6, 2024

PUBLISHED

Description

Xen 4.7.x and earlier does not properly honor CR0.TS and CR0.EM, which allows local x86 HVM guest OS users to read or modify FPU, MMX, or XMM register state information belonging to arbitrary tasks on the guest by modifying an instruction while the hypervisor is preparing to emulate it.

Vendor	Product	Versions
n/a	n/a	affected `n/a`

References

https://support.citrix.com/article/CTX217363

x_refsource_CONFIRM

http://xenbits.xen.org/xsa/advisory-190.html

x_refsource_CONFIRM

vdb-entry

x_refsource_BID

vendor-advisory

x_refsource_GENTOO

vdb-entry

x_refsource_SECTRACK

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