| 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, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-1497-1 |
| Debian Bugs | 846797 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| qemu (PTS) | jessie, jessie (lts) | 1:2.1+dfsg-12+deb8u23 | fixed |
| stretch (security) | 1:2.8+dfsg-6+deb9u17 | fixed |
| stretch (lts), stretch | 1:2.8+dfsg-6+deb9u19 | fixed |
| buster (security), buster, buster (lts) | 1:3.1+dfsg-8+deb10u12 | fixed |
| bullseye | 1:5.2+dfsg-11+deb11u3 | fixed |
| bullseye (security) | 1:5.2+dfsg-11+deb11u2 | fixed |
| bookworm | 1:7.2+dfsg-7+deb12u7 | fixed |
| sid, trixie | 1:9.1.1+ds-5 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| qemu | source | jessie | 1:2.1+dfsg-12+deb8u7 | | DLA-1497-1 | |
| qemu | source | (unstable) | 1:2.8+dfsg-1 | | | 846797 |
| qemu-kvm | source | wheezy | (not affected) | | | |
| qemu-kvm | source | (unstable) | (unfixed) | | | |
Notes
[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