Description
Xen 4.5.3, 4.6.3, and 4.7.x allow local HVM guest OS administrators to overwrite hypervisor memory and consequently gain host OS privileges by leveraging mishandling of instruction pointer truncation during emulation.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://xenbits.xen.org/xsa/advisory-186.html ↗
- http://www.securityfocus.com/bid/92865 ↗
- http://xenbits.xen.org/xsa/xsa186-0001-x86-emulate-Correct-boundary-interactions-of-emulate.patch ↗
- http://support.citrix.com/article/CTX216071 ↗
- http://www.securitytracker.com/id/1036752 ↗
- https://security.gentoo.org/glsa/201611-09 ↗