QEMU (aka Quick Emulator) built with the ColdFire Fast Ethernet Controller emulator…
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-835.
Summary
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* | up to 2.7.1 | Vulnerable | QEMU |
| cpe:2.3:a:qemu:qemu:2.8.0:rc0:*:*:*:*:*:* | 2.8.0 rc0 | Vulnerable | QEMU |
| cpe:2.3:a:qemu:qemu:2.8.0:rc1:*:*:*:*:*:* | 2.8.0 rc1 | Vulnerable | QEMU |
| cpe:2.3:a:qemu:qemu:2.8.0:rc2:*:*:*:*:*:* | 2.8.0 rc2 | Vulnerable | QEMU |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* Versions up to 2.7.1 Vulnerable ·QEMU
- cpe:2.3:a:qemu:qemu:2.8.0:rc0:*:*:*:*:*:* Versions 2.8.0 rc0 Vulnerable ·QEMU
- cpe:2.3:a:qemu:qemu:2.8.0:rc1:*:*:*:*:*:* Versions 2.8.0 rc1 Vulnerable ·QEMU
- cpe:2.3:a:qemu:qemu:2.8.0:rc2:*:*:*:*:*:* Versions 2.8.0 rc2 Vulnerable ·QEMU
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 8 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)
- Red Hat Enterprise Linux OpenStack Platform 6 (Juno)
- Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)
- Red Hat OpenStack Platform 8 (Liberty)
- Red Hat OpenStack Platform 9 (Mitaka)
Timeline
- 2026-10-02 Threatist record created from CVE-2016-9776
- 2026-10-03 Alias added: GHSA-52m2-jxvj-qw6r
References
Advisory 5
- [debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security update
- GLSA-201701-49
- [oss-security] 20161202 CVE request Qemu: net: mcf_fec: infinite loop while receiving data in mcf_fec_receive
- [oss-security] 20161202 Re: CVE request Qemu: net: mcf_fec: infinite loop while receiving data in mcf_fec_receive
- https://bugzilla.redhat.com/show_bug.cgi?id=1400829
Sources
- CVE-2016-9776 · CVE Program
- CVE-2016-9776 · NVD
- FIRST EPSS
- GHSA-52m2-jxvj-qw6r · GitHub Advisory Database · CC BY 4.0
- CVE-2016-9776 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences