CVE-2017-6345 Null dereference in n/a

High 7.8 Published Updated

Local attackers can cause a denial of service in the Linux kernel LLC subsystem via crafted system calls due to missing destructor checks.

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-2017-6345?

CVE-2017-6345 is a high-severity vulnerability in Linux kernel, published on 1 Mar 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The LLC subsystem in the Linux kernel before 4.9.13 does not ensure that a certain destructor exists in required circumstances, which allows local users to cause a denial of service (BUG_ON) or possibly have unspecified other impact via crafted system calls.

Weakness: CWE-20

Which versions are affected by CVE-2017-6345?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2017-6345?

Apply the vendor's patch.

Is CVE-2017-6345 being exploited?

There is no known exploitation of CVE-2017-6345 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2017-6345, GHSA-g22h-jrh6-cg2r, UBUNTU-CVE-2017-6345.

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