CVE-2016-9637

NameCVE-2016-9637
DescriptionThe (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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-1270-1
NVD severitylow

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qemu (PTS)stretch1:2.8+dfsg-6+deb9u9fixed
stretch (security)1:2.8+dfsg-6+deb9u16fixed
buster, buster (security)1:3.1+dfsg-8+deb10u8fixed
bullseye1:5.2+dfsg-11fixed
bookworm, sid1:6.1+dfsg-5fixed
xen (PTS)stretch (security), stretch4.8.5.final+shim4.10.4-1+deb9u12fixed
buster4.11.4+99-g8bce4698f6-1fixed
buster (security)4.11.4+107-gef32c7afa2-1fixed
bullseye (security)4.14.3-1~deb11u1fixed
bookworm, bullseye4.14.2+25-gb6a8c4f72d-2fixed
sid4.14.3-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusource(unstable)(not affected)
qemu-kvmsource(unstable)(not affected)
xensourcewheezy4.1.6.lts1-12DLA-1270-1
xensource(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

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