CVE-2016-9913 Denial of service in n/a
Local privileged guest users can cause host memory exhaustion and QEMU crashes via improper resource cleanup in the 9pfs device unrealization function.
- 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-2016-9913?
CVE-2016-9913 is a medium-severity denial of service vulnerability in Qemu Qemu, 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 the v9fs_device_unrealize_common function in hw/9pfs/9p.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) via vectors involving the order of resource cleanup.
Weakness: CWE-401
Which versions are affected by CVE-2016-9913?
It affects 1 product.
Products include Qemu Qemu.
How do I fix CVE-2016-9913?
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-2016-9913 being exploited?
There is no known exploitation of CVE-2016-9913 in the wild and no public exploit code.
Other vulnerabilities in Qemu Qemu
Sources
Also known as DEBIAN-CVE-2016-9913, GHSA-vp7p-jj4c-cj5h, UBUNTU-CVE-2016-9913.