CVE-2017-7346 Denial of service in n/a

Medium 5.5 Published Updated

Local attackers can cause a system hang via crafted ioctl calls to the vmwgfx driver due to missing validation of levels data.

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-2017-7346?

CVE-2017-7346 is a medium-severity denial of service vulnerability in Linux kernel, published on 30 Mar 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The vmw_gb_surface_define_ioctl function in drivers/gpu/drm/vmwgfx/vmwgfx_surface.c in the Linux kernel through 4.10.7 does not validate certain levels data, which allows local users to cause a denial of service (system hang) via a crafted ioctl call for a /dev/dri/renderD* device.

Weakness: CWE-20

Which versions are affected by CVE-2017-7346?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2017-7346?

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-2017-7346 being exploited?

There is no known exploitation of CVE-2017-7346 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2017-7346, GHSA-cc7g-pqc6-jjvh, UBUNTU-CVE-2017-7346.

Is CVE-2017-7346 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free