CVE-2013-1442

Name	CVE-2013-1442
Description	Xen 4.0 through 4.3.x, when using AVX or LWP capable CPUs, does not properly clear previous data from registers when using an XSAVE or XRSTOR to extend the state components of a saved or restored vCPU after touching other restored extended registers, which allows local guest OSes to obtain sensitive information by reading the registers.
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	DSA-3006-1
NVD severity	low

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+37-g3263f257ca-1	fixed
	buster (security)	4.11.4+57-g41a822c392-2	fixed
	bullseye, sid	4.14.0+88-g1d1d1f5391-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin
xen	source	squeeze	(unfixed)	end-of-life
xen	source	wheezy	4.1.4-3+deb7u2		DSA-3006-1
xen	source	(unstable)	4.4.0-1

Notes

[squeeze] - xen <end-of-life> (Unsupported in squeeze-lts)
advisory say: In Xen 4.0.2 through 4.0.4 as well as in Xen 4.1.x XSAVE support is disabled by default