CVE-2019-20430

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-20 CWE-670

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://lustre.org/Product, Vendor Advisory
http://wiki.lustre.org/Lustre_2.12.3_ChangelogRelease Notes, Vendor Advisory
https://jira.whamcloud.com/browse/LU-12602Exploit, Third Party Advisory
https://review.whamcloud.com/#/c/36208/Third Party Advisory
http://lustre.org/Product, Vendor Advisory
http://wiki.lustre.org/Lustre_2.12.3_ChangelogRelease Notes, Vendor Advisory
https://jira.whamcloud.com/browse/LU-12602Exploit, Third Party Advisory
https://review.whamcloud.com/#/c/36208/Third Party Advisory

Timeline

Published: Jan 27, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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