Vulnerability 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.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Lustre | Lustre | < 2.12.3 |
Related Weaknesses (CWE)
References
- http://lustre.org/ProductVendor Advisory
- http://wiki.lustre.org/Lustre_2.12.3_ChangelogRelease NotesVendor Advisory
- https://jira.whamcloud.com/browse/LU-12602ExploitThird Party Advisory
- https://review.whamcloud.com/#/c/36208/Third Party Advisory
- http://lustre.org/ProductVendor Advisory
- http://wiki.lustre.org/Lustre_2.12.3_ChangelogRelease NotesVendor Advisory
- https://jira.whamcloud.com/browse/LU-12602ExploitThird Party Advisory
- https://review.whamcloud.com/#/c/36208/Third Party Advisory
FAQ
What is CVE-2019-20430?
CVE-2019-20430 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.
How severe is CVE-2019-20430?
CVE-2019-20430 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-20430?
Check the references section above for vendor advisories and patch information. Affected products include: Lustre Lustre.