CVE-2016-9637

Name	CVE-2016-9637
Description	The (1) ioport_read and (2) ioport_write functions in Xen, when qemu is used as a device model within Xen, might allow local x86 HVM guest OS administrators to gain qemu process privileges via vectors involving an out-of-range ioport access.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-1270-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
qemu (PTS)	jessie, jessie (lts)	1:2.1+dfsg-12+deb8u23	fixed
	stretch (security)	1:2.8+dfsg-6+deb9u17	fixed
	stretch (lts), stretch	1:2.8+dfsg-6+deb9u19	fixed
	buster (security), buster, buster (lts)	1:3.1+dfsg-8+deb10u12	fixed
	bullseye	1:5.2+dfsg-11+deb11u3	fixed
	bullseye (security)	1:5.2+dfsg-11+deb11u2	fixed
	bookworm	1:7.2+dfsg-7+deb12u7	fixed
	sid, trixie	1:9.1.1+ds-5	fixed
xen (PTS)	jessie, jessie (lts)	4.4.4lts5-0+deb8u1	fixed
	stretch (security), stretch (lts), stretch	4.8.5.final+shim4.10.4-1+deb9u12	fixed
	buster (security), buster, buster (lts)	4.11.4+107-gef32c7afa2-1	fixed
	bullseye	4.14.6-1	fixed
	bullseye (security)	4.14.5+94-ge49571868d-1	fixed
	bookworm	4.17.3+10-g091466ba55-1~deb12u1	fixed
	sid, trixie	4.17.3+36-g54dacb5c02-1	fixed

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

Package	Type	Release	Fixed Version	Origin
qemu	source	(unstable)	(not affected)
qemu-kvm	source	(unstable)	(not affected)
xen	source	wheezy	4.1.6.lts1-12	DLA-1270-1
xen	source	(unstable)	4.4.0-1

Notes

- qemu <not-affected> (Vulnerability specific to Xen)
- qemu-kvm <not-affected> (Vulnerability specific to Xen)
Xen switched to qemu-system in 4.4.0-1
https://xenbits.xen.org/xsa/advisory-199.html