CVE-2016-9776

NameCVE-2016-9776
DescriptionQEMU (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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitylow (attack range: local)
Debian Bugs846797

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qemu (PTS)jessie (security), jessie1:2.1+dfsg-12+deb8u6vulnerable
stretch (security), stretch1:2.8+dfsg-6+deb9u4fixed
buster, sid1:2.12+dfsg-3fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusource(unstable)1:2.8+dfsg-1low846797
qemu-kvmsource(unstable)(unfixed)low
qemu-kvmsourcewheezy(not affected)

Notes

[jessie] - qemu <no-dsa> (Minor issue)
[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

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