CVE-2017-10918

Name	CVE-2017-10918
Description	Xen through 4.8.x does not validate memory allocations during certain P2M operations, which allows guest OS users to obtain privileged host OS access, aka XSA-222.
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-1132-1, DSA-3969-1
NVD severity	high (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
xen (PTS)	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+xsa267+shim4.10.1+xsa267-1+deb9u8	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin
xen	source	(unstable)	4.8.1-1+deb9u3	high
xen	source	jessie	4.4.1-9+deb8u10	high	DSA-3969-1
xen	source	stretch	4.8.1-1+deb9u3	high	DSA-3969-1
xen	source	wheezy	4.1.6.lts1-9	high	DLA-1132-1

https://xenbits.xen.org/xsa/advisory-222.html