CVE-2019-9547 Denial of service in n/a
A malicious virtual machine can cause a partial denial of service in the SPDK vhost target by constructing circular descriptor chains.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-9547?
CVE-2019-9547 is a medium-severity denial of service vulnerability in n/a, published on 1 Mar 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In Storage Performance Development Kit (SPDK) before 19.01, a malicious vhost client (i.e., virtual machine) could carefully construct a circular descriptor chain that would result in a partial denial of service in the SPDK vhost target, because the vhost target did not properly detect such chains.
Weakness: CWE-834
Which versions are affected by CVE-2019-9547?
It affects 1 product.
Products include Spdk Storage Performance Development Kit.
How do I fix CVE-2019-9547?
No fix has been published for CVE-2019-9547 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-2019-9547 being exploited?
There is no known exploitation of CVE-2019-9547 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-m5p3-37gc-m3x3.