CVE 2017-12137

arch/x86/mm.c in Xen allows local PV guest OS users to gain host OS privileges via vectors related to map_grant_ref.

Related bugs and status

CVE-2017-12137 (Candidate) is related to these bugs:

Bug #1321144: /etc/default/grub.d/xen.cfg only works on english language system

		In	Importance	Status
1321144	/etc/default/grub.d/xen.cfg only works on english language system	xen (Ubuntu)	Medium	Fix Released
1321144	/etc/default/grub.d/xen.cfg only works on english language system	xen (Ubuntu Zesty)	Medium	Won't Fix
1321144	/etc/default/grub.d/xen.cfg only works on english language system	xen (Ubuntu Xenial)	Medium	Incomplete

Bug #1763354: Xen stable update to 4.9.2

Summary				In	Importance	Status
	1763354	Xen stable update to 4.9.2		xen (Ubuntu)	Medium	Fix Released
	1763354	Xen stable update to 4.9.2		xen (Ubuntu Artful)	Medium	Won't Fix

See the

CVE page on Mitre.org for more details.