CVE-2017-7262 Denial of service in n/a
Local users can cause a system hang on AMD Ryzen processors by executing a long series of FMA3 instructions, requiring a microcode update.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-7262?
CVE-2017-7262 is a medium-severity denial of service vulnerability in n/a, published on 25 Mar 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The AMD Ryzen processor with AGESA microcode through 2017-01-27 allows local users to cause a denial of service (system hang) via an application that makes a long series of FMA3 instructions, as demonstrated by the Flops test suite.
Weakness: CWE-20
Which versions are affected by CVE-2017-7262?
It affects 1 product.
Products include Amd Ryzen.
How do I fix CVE-2017-7262?
No fix has been published for CVE-2017-7262 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-2017-7262 being exploited?
There is no known exploitation of CVE-2017-7262 in the wild and no public exploit code.
Sources
Also known as GHSA-548h-j794-xmvp.