CVE-2013-4356

Name	CVE-2013-4356
Description	Xen 4.3.x writes hypervisor mappings to certain shadow pagetables when live migration is performed on hosts with more than 5TB of RAM, which allows local 64-bit PV guests to read or write to invalid memory and cause a denial of service (crash).
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)
NVD severity	medium

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
xen (PTS)	stretch (security), stretch	4.8.5.final+shim4.10.4-1+deb9u12	fixed
	buster	4.11.4+57-g41a822c392-2	fixed
	buster (security)	4.11.4+99-g8bce4698f6-1	fixed
	bullseye, sid	4.14.1+11-gb0b734a8b3-1	fixed

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

Package	Type	Release	Fixed Version
xen	source	squeeze	(not affected)
xen	source	wheezy	(not affected)
xen	source	(unstable)	4.4.0-1

[wheezy] - xen <not-affected> (Only affects 4.3+)
[squeeze] - xen <not-affected> (Only affects 4.3+)