CVE-2016-8667 Denial of service in n/a
Local guest OS administrators can crash the QEMU process via a divide-by-zero error in the rc4030 DMA controller emulation.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-8667?
CVE-2016-8667 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 4 Nov 2016. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-369
Which versions are affected by CVE-2016-8667?
It affects 3 products.
Products include Debian Debian Linux, Opensuse Leap, Qemu Qemu.
How do I fix CVE-2016-8667?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2016-8667 being exploited?
There is no known exploitation of CVE-2016-8667 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2016-8667, GHSA-5v8x-87gj-gvxw, UBUNTU-CVE-2016-8667.