CVE-2015-4163

Name	CVE-2015-4163
Description	GNTTABOP_swap_grant_ref in Xen 4.2 through 4.5 does not check the grant table operation version, which allows local guest domains to cause a denial of service (NULL pointer dereference) via a hypercall without a GNTTABOP_setup_table or GNTTABOP_set_version.
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	DSA-3286-1
Debian Bugs	795721

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 (security), bullseye	4.14.5+86-g1c354767d5-1	fixed
	bookworm, sid	4.17.0+46-gaaf74a532c-1	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
xen	source	squeeze	(not affected)
xen	source	wheezy	4.1.4-3+deb7u8	DSA-3286-1
xen	source	jessie	4.4.1-9+deb8u1	DSA-3286-1
xen	source	(unstable)	4.6.0-1		795721

Notes

[wheezy] - xen <not-affected> (Xen 4.2 onwards are vulnerable)
[squeeze] - xen <not-affected> (Xen 4.2 onwards are vulnerable)
http://xenbits.xen.org/xsa/advisory-134.html