| 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 bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-1270-1 |
| NVD severity | low |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| qemu (PTS) | jessie | 1:2.1+dfsg-12+deb8u6 | fixed |
| jessie (security) | 1:2.1+dfsg-12+deb8u14 | fixed | |
| stretch | 1:2.8+dfsg-6+deb9u8 | fixed | |
| stretch (security) | 1:2.8+dfsg-6+deb9u9 | fixed | |
| buster | 1:3.1+dfsg-8+deb10u3 | fixed | |
| buster (security) | 1:3.1+dfsg-8+deb10u4 | fixed | |
| bullseye, sid | 1:4.2-3 | fixed | |
| xen (PTS) | jessie | 4.4.1-9+deb8u10 | fixed |
| jessie (security) | 4.4.4lts5-0+deb8u1 | fixed | |
| stretch, stretch (security) | 4.8.5.final+shim4.10.4-1+deb9u12 | fixed | |
| buster, buster (security) | 4.11.3+24-g14b62ab3e5-1~deb10u1 | fixed | |
| bullseye, sid | 4.11.3+24-g14b62ab3e5-1 | 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 | |||
| xen | source | wheezy | 4.1.6.lts1-12 | DLA-1270-1 |
- 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