Description: I/O port access privilege escalation in x86-64 Linux under Xen
References:
 http://xenbits.xen.org/xsa/advisory-171.html
Notes:
Bugs:
upstream: released (4.6-rc1) [b7a584598aea7ca73140cb87b40319944dd3393f]
3.16-upstream-stable: released (3.16.7-ckt27)
3.2-upstream-stable: released (3.2.80) [x86-iopl-64-properly-context-switch-iopl-on-xen-pv.patch]
sid: released (4.5.1-1)
3.16-jessie-security: released (3.16.7-ckt25-2+deb8u1) [bugfix/x86/x86-iopl-64-properly-context-switch-iopl-on-xen-pv.patch]
3.2-wheezy-security: released (3.2.81-1)