| Name | CVE-2016-9381 |
| Description | Race condition in QEMU in Xen allows local x86 HVM guest OS administrators to gain privileges by changing certain data on shared rings, aka a "double fetch" vulnerability. |
| 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-720-1 |
| NVD severity | medium |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| xen (PTS) | jessie | 4.4.1-9+deb8u10 | fixed |
| jessie (security) | 4.4.4lts5-0+deb8u1 | fixed | |
| stretch | 4.8.5+shim4.10.2+xsa282-1+deb9u11 | fixed | |
| stretch (security) | 4.8.5.final+shim4.10.4-1+deb9u12 | fixed | |
| buster | 4.11.1+92-g6c33308a8d-2 | fixed | |
| 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 |
|---|---|---|---|---|---|---|
| xen | source | (unstable) | 4.4.0-1 | |||
| xen | source | wheezy | 4.1.6.lts1-4 | DLA-720-1 |
Xen switched to qemu-system in 4.4.0-1
https://xenbits.xen.org/xsa/advisory-197.html