CVE-2016-7777 | BDVDB-2026-78577 Detail

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.

Impact#

No impact statement in the source data.

Weaknesses#

No weakness recorded in the source data.

References#

https://support.citrix.com/article/CTX217363
http://xenbits.xen.org/xsa/advisory-190.html
http://www.securityfocus.com/bid/93344
https://security.gentoo.org/glsa/201611-09
http://www.securitytracker.com/id/1036942

Exploit#

No public exploit known

History#

Version 12016-10-07Record published in the CVE List.
Version 22024-08-06Most recent update recorded in the CVE List.