CVE-2016-8910 Denial of service in n/a
Local guest administrators can cause a denial of service in QEMU via an infinite loop in the RTL8139 network driver due to missing ring descriptor limits.
- 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-2016-8910?
CVE-2016-8910 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 rtl8139_cplus_transmit function in hw/net/rtl8139.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) by leveraging failure to limit the ring descriptor count.
Weakness: CWE-835
Which versions are affected by CVE-2016-8910?
It affects 5 products.
Products include Debian Debian Linux, Opensuse Leap, Qemu Qemu, Redhat Openstack, Redhat Virtualization.
How do I fix CVE-2016-8910?
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-2016-8910 being exploited?
There is no known exploitation of CVE-2016-8910 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as ALPINE-CVE-2016-8910, DEBIAN-CVE-2016-8910, GHSA-7pc8-95p7-87cw, UBUNTU-CVE-2016-8910.