CVE-2016-7092

Name	CVE-2016-7092
Description	The get_page_from_l3e function in arch/x86/mm.c in Xen allows local 32-bit PV guest OS administrators to gain host OS privileges via vectors related to L3 recursive pagetables.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
References	DLA-614-1, DSA-3663-1
NVD severity	medium (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
xen (PTS)	wheezy	4.1.4-3+deb7u9	vulnerable
	wheezy (security)	4.1.6.lts1-14	fixed
	jessie (security), jessie	4.4.1-9+deb8u10	fixed
	buster, sid, stretch	4.8.3+comet2+shim4.10.0+comet3-1+deb9u5	fixed
	stretch (security)	4.8.3+xsa262+shim4.10.0+comet3-1+deb9u7	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin
xen	source	(unstable)	4.8.0~rc3-1	medium
xen	source	jessie	4.4.1-9+deb8u7	medium	DSA-3663-1
xen	source	wheezy	4.1.6.lts1-2	medium	DLA-614-1

http://xenbits.xen.org/xsa/advisory-185.html