CVE-2016-9915 Denial of service in n/a
Local privileged guest users can cause host memory exhaustion and QEMU crashes via a memory leak in the 9pfs handle backend.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-9915?
CVE-2016-9915 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 29 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 hw/9pfs/9p-handle.c in QEMU (aka Quick Emulator) allows local privileged guest OS users to cause a denial of service (host memory consumption and possibly QEMU process crash) by leveraging a missing cleanup operation in the handle backend.
Weakness: CWE-401
Which versions are affected by CVE-2016-9915?
It affects 2 products.
Products include Debian Debian Linux, Qemu Qemu.
How do I fix CVE-2016-9915?
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-2016-9915 being exploited?
There is no known exploitation of CVE-2016-9915 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2016-9915, GHSA-qmgf-9w4w-q3mj, UBUNTU-CVE-2016-9915.