CVE-2019-20429 Memory corruption in n/a
An attacker can cause a system panic and denial of service in the Lustre file system by sending malformed packets with invalid buffer counts.
- 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-2019-20429?
CVE-2019-20429 is a high-severity memory corruption 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 ptlrpc module has an out-of-bounds read and panic (via a modified lm_bufcount field) due to the lack of validation for specific fields of packets sent by a client. This is caused by interaction between sptlrpc_svc_unwrap_request and lustre_msg_hdr_size_v2.
Weakness: CWE-125
Which versions are affected by CVE-2019-20429?
It affects 1 product.
Products include Lustre Lustre.
How do I fix CVE-2019-20429?
No fix has been published for CVE-2019-20429 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-20429 being exploited?
There is no known exploitation of CVE-2019-20429 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-626m-2fcr-7j48, UBUNTU-CVE-2019-20429.