CVE-2020-4411 Denial of service in Spectrum Scale

High 7.1 Published 19 May 2020 Updated 17 Sep 2024

A local attacker can crash the kernel by invoking specific ioctls with invalid arguments in the IBM Spectrum Scale file system component.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-4411?

CVE-2020-4411 is a high-severity denial of service vulnerability in Ibm Spectrum Scale, published on 19 May 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The Spectrum Scale 4.2.0.0 through 4.2.3.21 and 5.0.0.0 through 5.0.4.3 file system component is affected by a denial of service vulnerability in its kernel module that could allow an attacker to cause a denial of service condition on the affected system. To exploit this vulnerability, a local attacker could invoke a subset of ioctls on the Spectrum Scale device with non-valid arguments. This could allow the attacker to crash the kernel. IBM X-Force ID: 179986.

Weakness: CWE-20

Which versions are affected by CVE-2020-4411?

It affects 1 product.

Products include Ibm Spectrum Scale.

How do I fix CVE-2020-4411?

No fix has been published for CVE-2020-4411 yet. Limit exposure of the affected software until one is available.

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-2020-4411 being exploited?

There is no known exploitation of CVE-2020-4411 in the wild and no public exploit code.

All Ibm Spectrum Scale vulnerabilities

Sources

Also known as GHSA-fv83-f7r2-29wc.