CVE-2017-7294 Integer overflow in n/a

High 7.8 Published Updated

Local attackers can exploit an integer overflow in the vmwgfx driver to cause a system crash or potentially gain elevated privileges.

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-2017-7294?

CVE-2017-7294 is a high-severity vulnerability in Linux kernel, published on 29 Mar 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The vmw_surface_define_ioctl function in drivers/gpu/drm/vmwgfx/vmwgfx_surface.c in the Linux kernel through 4.10.6 does not validate addition of certain levels data, which allows local users to trigger an integer overflow and out-of-bounds write, and cause a denial of service (system hang or crash) or possibly gain privileges, via a crafted ioctl call for a /dev/dri/renderD* device.

Weakness: CWE-787, CWE-190

Which versions are affected by CVE-2017-7294?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2017-7294?

Apply the vendor's patch.

Is CVE-2017-7294 being exploited?

There is no known exploitation of CVE-2017-7294 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2017-7294, GHSA-7gvc-qh82-g75h, UBUNTU-CVE-2017-7294.

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