| 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, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more) |
| NVD severity | low (attack range: local) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| qemu (PTS) | wheezy | 1.1.2+dfsg-6a+deb7u12 | fixed |
| wheezy (security) | 1.1.2+dfsg-6+deb7u24 | fixed | |
| jessie (security), jessie | 1:2.1+dfsg-12+deb8u6 | fixed | |
| stretch | 1:2.8+dfsg-6+deb9u2 | fixed | |
| stretch (security) | 1:2.8+dfsg-6+deb9u3 | fixed | |
| buster, sid | 1:2.10.0+dfsg-2 | fixed | |
| qemu-kvm (PTS) | wheezy | 1.1.2+dfsg-6+deb7u12 | fixed |
| wheezy (security) | 1.1.2+dfsg-6+deb7u24 | fixed | |
| xen (PTS) | wheezy | 4.1.4-3+deb7u9 | vulnerable |
| wheezy (security) | 4.1.6.lts1-9 | vulnerable | |
| jessie | 4.4.1-9+deb8u9 | fixed | |
| jessie (security) | 4.4.1-9+deb8u10 | fixed | |
| buster, sid, stretch (security), stretch | 4.8.1-1+deb9u3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| qemu | source | (unstable) | (not affected) | |||
| qemu-kvm | source | (unstable) | (not affected) | |||
| xen | source | (unstable) | 4.4.0-1 | low |
- 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