CVE-2012-0218

Name	CVE-2012-0218
Description	Xen 3.4, 4.0, and 4.1, when the guest OS has not registered a handler for a syscall or sysenter instruction, does not properly clear a flag for exception injection when injecting a General Protection Fault, which allows local PV guest OS users to cause a denial of service (guest crash) by later triggering an exception that would normally be handled within Xen.
Source	CVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more)
References	DSA-2501-1
NVD severity	low (attack range: local)
Debian/oldstable	not vulnerable.
Debian/stable	not vulnerable.
Debian/testing	not vulnerable.
Debian/unstable	not vulnerable.

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
xen (PTS)	squeeze (security), squeeze	4.0.1-5.11	fixed
	wheezy	4.1.4-3+deb7u3	fixed
	wheezy (security)	4.1.4-3+deb7u4	fixed
	jessie	4.4.1-6	fixed
	sid	4.4.1-7	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
xen	source	(unstable)	4.1.3~rc1+hg-20120614.a9c0a89c08f2-1	low
xen	source	squeeze	4.0.1-5.2	low	DSA-2501-1