CVE-2019-20430 Denial of service in n/a
A remote attacker can cause a kernel panic in the Lustre file system by sending a malformed packet with an invalid data size field.
- 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-2019-20430?
CVE-2019-20430 is a high-severity denial of service vulnerability in n/a, published on 27 Jan 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In the Lustre file system before 2.12.3, the mdt module has an LBUG panic (via a large MDT Body eadatasize field) due to the lack of validation for specific fields of packets sent by a client.
Which versions are affected by CVE-2019-20430?
It affects 1 product.
Products include Lustre Lustre.
How do I fix CVE-2019-20430?
No fix has been published for CVE-2019-20430 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-2019-20430 being exploited?
There is no known exploitation of CVE-2019-20430 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-r69g-j328-rwcg.