CVE-2019-6155 Denial of service in BladeCenter BIOS
A vulnerability in the SMI handler of legacy IBM System x and BladeCenter BIOS allows attackers to cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-6155?
CVE-2019-6155 is a medium-severity denial of service vulnerability in IBM BladeCenter BIOS, published on 22 Apr 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A potential vulnerability was found in an SMI handler in various BIOS versions of certain legacy IBM System x and IBM BladeCenter systems that could lead to denial of service.
Which versions are affected by CVE-2019-6155?
It affects 4 products.
Products include Ibm Bladecenter Hs23 Firmware, Ibm System X3530 M4 Firmware, Ibm System X3630 M4 Firmware, Ibm System X3650 M4 Hd Firmware.
How do I fix CVE-2019-6155?
No fix has been published for CVE-2019-6155 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-2019-6155 being exploited?
There is no known exploitation of CVE-2019-6155 in the wild and no public exploit code.
Other vulnerabilities in IBM BladeCenter BIOS
Sources
Also known as GHSA-vh7m-2x7g-3h5v.