CVE-2017-6386 Denial of service in n/a
Local guest OS users can cause host memory exhaustion and denial of service via excessive vertex element commands in virglrenderer.
- 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-2017-6386?
CVE-2017-6386 is a medium-severity denial of service vulnerability in n/a, 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 vrend_create_vertex_elements_state function in vrend_renderer.c in virglrenderer allows local guest OS users to cause a denial of service (host memory consumption) via a large number of VIRGL_OBJECT_VERTEX_ELEMENTS commands.
Weakness: CWE-772
Which versions are affected by CVE-2017-6386?
It affects 1 product.
Products include Virglrenderer Project Virglrenderer.
How do I fix CVE-2017-6386?
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-2017-6386 being exploited?
There is no known exploitation of CVE-2017-6386 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2017-6386, GHSA-c4j4-mhx4-2cf4.