| Name | CVE-2016-9776 |
| Description | QEMU (aka Quick Emulator) built with the ColdFire Fast Ethernet Controller emulator support is vulnerable to an infinite loop issue. It could occur while receiving packets in 'mcf_fec_receive'. A privileged user/process inside guest could use this issue to crash the QEMU process on the host leading to DoS. |
| 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-1497-1 |
| NVD severity | low (attack range: local) |
| Debian Bugs | 846797 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| qemu (PTS) | jessie | 1:2.1+dfsg-12+deb8u6 | vulnerable |
| jessie (security) | 1:2.1+dfsg-12+deb8u8 | fixed | |
| stretch | 1:2.8+dfsg-6+deb9u4 | fixed | |
| stretch (security) | 1:2.8+dfsg-6+deb9u5 | fixed | |
| buster, sid | 1:3.1+dfsg-2 | 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) | 1:2.8+dfsg-1 | low | 846797 | |
| qemu | source | jessie | 1:2.1+dfsg-12+deb8u7 | low | DLA-1497-1 | |
| qemu-kvm | source | (unstable) | (unfixed) | low | ||
| qemu-kvm | source | wheezy | (not affected) |
[wheezy] - qemu <no-dsa> (Minor issue)
[wheezy] - qemu-kvm <not-affected> (Coldfire is not emulated by kvm)
https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg05324.html
https://bugzilla.redhat.com/show_bug.cgi?id=1400829