CVE-2017-5857 Denial of service in n/a

Medium 6.5 Published 16 Mar 2017 Updated 5 Aug 2024

Local guest users can cause host memory exhaustion and denial of service by sending numerous VIRTIO_GPU_CMD_RESOURCE_UNREF commands without detaching storage.

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-2017-5857?

CVE-2017-5857 is a medium-severity denial of service vulnerability in Qemu Qemu, published on 16 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 virgl_cmd_resource_unref function in hw/display/virtio-gpu-3d.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_UNREF commands sent without detaching the backing storage beforehand.

Weakness: CWE-401

Which versions are affected by CVE-2017-5857?

It affects 1 product.

Products include Qemu Qemu.

How do I fix CVE-2017-5857?

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-2017-5857 being exploited?

There is no known exploitation of CVE-2017-5857 in the wild and no public exploit code.

All Qemu Qemu vulnerabilities

Sources

Also known as ALPINE-CVE-2017-5857, DEBIAN-CVE-2017-5857, GHSA-p7q6-69w3-ppv9, UBUNTU-CVE-2017-5857.