CVE-2019-20431 is a high-severity vulnerability affecting Lustre file systems prior to version 2.12.3. It involves an out-of-bounds access and system panic within the ptlrpc module, and a lack of length validation in the osd_ldiskfs module, both triggered by specially crafted client packets. With a CVSS score of 7.5, this vulnerability is remotely exploitable with low attack complexity, leading to high availability impact (denial of service) without requiring user interaction or privileges. There is currently no public exploit code available (Metasploit, Nuclei, ExploitDB), nor is there evidence of active exploitation. Community discussion and media coverage for this CVE are minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.12.3CPE matchmatch criteria | cpe:2.3:a:lustre:lustre:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.