CVE-2016-7995 Denial of service in n/a
Local guest OS administrators can cause a denial of service via memory consumption in QEMU's EHCI USB 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-2016-7995?
CVE-2016-7995 is a medium-severity denial of service vulnerability in Opensuse Leap, published on 10 Dec 2016. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory leak in the ehci_process_itd function in hw/usb/hcd-ehci.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (memory consumption) via a large number of crafted buffer page select (PG) indexes.
Weakness: CWE-772
Which versions are affected by CVE-2016-7995?
It affects 2 products.
Products include Opensuse Leap, Qemu Qemu.
How do I fix CVE-2016-7995?
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-2016-7995 being exploited?
There is no known exploitation of CVE-2016-7995 in the wild and no public exploit code.
Other vulnerabilities in Opensuse Leap
Sources
Also known as ALPINE-CVE-2016-7995, DEBIAN-CVE-2016-7995, GHSA-hf2g-w2cp-45vf.