CVE-2017-5578 Denial of service in n/a
Local guest users can exhaust host memory via repeated virtio-gpu commands, causing denial of service in QEMU.
- 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-2017-5578?
CVE-2017-5578 is a medium-severity denial of service vulnerability in Qemu Qemu, published on 15 Mar 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory leak in the virtio_gpu_resource_attach_backing function in hw/display/virtio-gpu.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (host memory consumption) via a large number of VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING commands.
Weakness: CWE-401
Which versions are affected by CVE-2017-5578?
It affects 1 product.
Products include Qemu Qemu.
How do I fix CVE-2017-5578?
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-2017-5578 being exploited?
There is no known exploitation of CVE-2017-5578 in the wild and no public exploit code.
Other vulnerabilities in Qemu Qemu
Sources
Also known as ALPINE-CVE-2017-5578, DEBIAN-CVE-2017-5578, GHSA-q2vm-m3p4-mpg8, UBUNTU-CVE-2017-5578.