| Name | CVE-2016-3712 |
| Description | Integer overflow in the VGA module in QEMU allows local guest OS users to cause a denial of service (out-of-bounds read and QEMU process crash) by editing VGA registers in VBE mode. |
| 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 | DLA-539-1, DLA-540-1, DLA-571-1, DSA-3573-1 |
| NVD severity | low (attack range: local) |
| Debian Bugs | 823830 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| qemu (PTS) | wheezy | 1.1.2+dfsg-6a+deb7u12 | vulnerable |
| wheezy (security) | 1.1.2+dfsg-6+deb7u20 | fixed |
| jessie (security), jessie | 1:2.1+dfsg-12+deb8u6 | fixed |
| buster, sid, stretch | 1:2.8+dfsg-6 | fixed |
| qemu-kvm (PTS) | wheezy | 1.1.2+dfsg-6+deb7u12 | vulnerable |
| wheezy (security) | 1.1.2+dfsg-6+deb7u22 | fixed |
| xen (PTS) | wheezy | 4.1.4-3+deb7u9 | vulnerable |
| wheezy (security) | 4.1.6.lts1-8 | fixed |
| jessie | 4.4.1-9+deb8u8 | fixed |
| jessie (security) | 4.4.1-9+deb8u9 | fixed |
| buster, sid, stretch | 4.8.1-1+deb9u1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[wheezy] - xen <no-dsa> (default configuration not vulnerable)
Xen switched to qemu-system in 4.4.0-1
http://xenbits.xen.org/xsa/advisory-179.html
mitigation: run HVM in stubdomains, PV, default video card not vulnerable, i386-only