Vulnerability CVE-2019-20430
Published: 2020-01-27

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.

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.8/10
6.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Lustre -> Lustre 

 References:
http://lustre.org/
http://wiki.lustre.org/Lustre_2.12.3_Changelog
https://jira.whamcloud.com/browse/LU-12602
https://review.whamcloud.com/#/c/36208/
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