CVE-2017-15116 Null dereference in Linux kernel

Medium 5.5 Published Updated

Attackers can cause a denial of service via a NULL pointer dereference in the Linux kernel's random number generator API.

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-2017-15116?

CVE-2017-15116 is a medium-severity vulnerability in Linux kernel, published on 30 Nov 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The rngapi_reset function in crypto/rng.c in the Linux kernel before 4.2 allows attackers to cause a denial of service (NULL pointer dereference).

Weakness: CWE-476

Which versions are affected by CVE-2017-15116?

It affects 2 products.

Products include Linux kernel, Redhat Enterprise Linux.

How do I fix CVE-2017-15116?

Apply the vendor's patch.

Is CVE-2017-15116 being exploited?

There is no known exploitation of CVE-2017-15116 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2017-15116, GHSA-6j2g-ffvm-v4hw, UBUNTU-CVE-2017-15116.

Is CVE-2017-15116 in your software?

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

Check your SBOMs for free