| Name | CVE-2017-10917 |
| Description | Xen through 4.8.x does not validate the port numbers of polled event channel ports, which allows guest OS users to cause a denial of service (NULL pointer dereference and host OS crash) or possibly obtain sensitive information, aka XSA-221. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more) |
| References | DSA-3969-1 |
| NVD severity | high (attack range: remote) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| xen (PTS) | wheezy | 4.1.4-3+deb7u9 | fixed |
| wheezy (security) | 4.1.6.lts1-8 | fixed | |
| jessie | 4.4.1-9+deb8u9 | vulnerable | |
| jessie (security) | 4.4.1-9+deb8u10 | fixed | |
| buster, sid, stretch | 4.8.1-1+deb9u1 | vulnerable | |
| stretch (security) | 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 |
|---|---|---|---|---|---|---|
| xen | source | (unstable) | (unfixed) | high | ||
| xen | source | jessie | 4.4.1-9+deb8u10 | high | DSA-3969-1 | |
| xen | source | stretch | 4.8.1-1+deb9u3 | high | DSA-3969-1 | |
| xen | source | wheezy | (not affected) |
[wheezy] - xen <not-affected> (Vulnerable code not present)
https://xenbits.xen.org/xsa/advisory-221.html