The rc4030_write function in hw/dma/rc4030.c in QEMU (aka Quick Emulator) allows local…
Priority LOW 27CWE-369Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- 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-369.
Summary
The rc4030_write function in hw/dma/rc4030.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (divide-by-zero error and QEMU process crash) via a large interval timer reload value.
Why it matters now
EPSS 0.0039 33rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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 · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* | up to 2.8.1.1 | Vulnerable | QEMU |
| cpe:2.3:a:qemu:qemu:2.9.0:rc0:*:*:*:*:*:* | 2.9.0 rc0 | Vulnerable | QEMU |
| cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:* | 42.2 | Vulnerable | openSUSE |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* Versions up to 2.8.1.1 Vulnerable ·QEMU
- cpe:2.3:a:qemu:qemu:2.9.0:rc0:*:*:*:*:*:* Versions 2.9.0 rc0 Vulnerable ·QEMU
- cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:* Versions 42.2 Vulnerable ·openSUSE
- 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: 9 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 10 (Newton)
- Red Hat OpenStack Platform 8 (Liberty)
- Red Hat OpenStack Platform 9 (Mitaka)
Timeline
- 2026-10-02 Threatist record created from CVE-2016-8667
- 2026-10-03 Alias added: GHSA-5v8x-87gj-gvxw
References
Sources
- CVE-2016-8667 · CVE Program
- CVE-2016-8667 · NVD
- FIRST EPSS
- GHSA-5v8x-87gj-gvxw · GitHub Advisory Database · CC BY 4.0
- CVE-2016-8667 · 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