CVE-2017-8905

Name	CVE-2017-8905
Description	Xen through 4.6.x on 64-bit platforms mishandles a failsafe callback, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-215.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
References	DLA-964-1, DSA-3847-1
Debian Bugs	861662

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
xen (PTS)	buster, buster (security)	4.11.4+107-gef32c7afa2-1	fixed
	bullseye	4.14.5+24-g87d90d511c-1	fixed
	bullseye (security)	4.14.5+86-g1c354767d5-1	fixed
	bookworm, sid	4.16.2+90-g0d39a6d1ae-1	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
xen	source	wheezy	4.1.6.lts1-8	DLA-964-1
xen	source	jessie	4.4.1-9+deb8u9	DSA-3847-1
xen	source	(unstable)	4.8.0~rc3-1		861662

https://xenbits.xen.org/xsa/advisory-215.html