CVE-2020-4492 Denial of service in Spectrum Scale
A local attacker can crash the kernel by sending invalid arguments via ioctls, causing a denial of service in IBM Spectrum Scale.
- 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-2020-4492?
CVE-2020-4492 is a medium-severity denial of service vulnerability in Ibm Spectrum Scale, published on 31 Aug 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
IBM Spectrum Scale V5.0.0.0 through V5.0.4.3 and V4.2.0.0 through V4.2.3.21 could allow a local attacker to cause a denial of service crashing the kernel by sending a subset of ioctls on the device with invalid arguments. IBM X-Force ID: 181992.
Weakness: CWE-88
Which versions are affected by CVE-2020-4492?
It affects 1 product.
Products include Ibm Spectrum Scale.
How do I fix CVE-2020-4492?
No fix has been published for CVE-2020-4492 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-2020-4492 being exploited?
There is no known exploitation of CVE-2020-4492 in the wild and no public exploit code.
Other vulnerabilities in Ibm Spectrum Scale
Sources
Also known as GHSA-pch5-pgjv-2p83.