| 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, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-720-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| xen (PTS) | bullseye | 4.14.6-1 | fixed |
| bullseye (security) | 4.14.5+94-ge49571868d-1 | fixed |
| bookworm | 4.17.5+23-ga4e5191dc0-1+deb12u1 | fixed |
| bookworm (security) | 4.17.5+23-ga4e5191dc0-1 | fixed |
| trixie, sid | 4.20.0+68-g35cb38b222-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| xen | source | wheezy | 4.1.6.lts1-4 | | DLA-720-1 | |
| xen | source | (unstable) | 4.4.0-1 | | | |
Notes
Xen switched to qemu-system in 4.4.0-1
https://xenbits.xen.org/xsa/advisory-197.html