CVE-2019-20430

HIGH
7.5
CVSS Score
Published: January 27, 2020 at 04:20 AM UTC
Updated: June 17, 2026 at 02:30 AM UTC
1 product affected across 1 vendorLustre

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Severity
HIGH7.5
Exploit prediction
EPSS 2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2.12.3
Affected range stops below 2.12.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (4)

x_refsource_MISCProductVendor Advisory
http://lustre.org/
x_refsource_MISCRelease NotesVendor Advisory
http://wiki.lustre.org/Lustre_2.12.3_Changelog
x_refsource_MISCExploitThird Party Advisory
https://jira.whamcloud.com/browse/LU-12602
x_refsource_MISCThird Party Advisory
https://review.whamcloud.com/#/c/36208/

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20CWE-670

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