CVE-2014-8867
The acceleration support for the "REP MOVS" instruction in Xen 4.4.x, 3.2.x, and earlier lacks properly bounds checking for memory mapped I/O (MMIO) emulated in the hypervisor, which allows local HVM guests to cause a denial of service (host crash) via unspecified vectors.
Date published : 2014-12-01
http://www.securityfocus.com/bid/71331
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
