CVE-2019-20430

View on CVE.org

Published Jan 27, 2020 CVSS 3.1 · 7.5 High EPSS 2.2% KEV · Not listed

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 Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:lustre:lustre:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2019-10978	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

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Complete

This CVE is not in the KEV list.

Exploit prediction score: 2.2% (2.210% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
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/

History

No history.

Subscriptions

Lustre Lustre

Weaknesses

Sources

CVE record Updated: Aug 5, 2024, 2:39 AM

Status: PUBLISHED
Assigner: mitre
Published: Jan 27, 2020, 4:20 AM
Updated: Aug 5, 2024, 2:39 AM
Reserved: Jan 27, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 2:30 AM

Status: Modified
Published: Jan 27, 2020, 5:15 AM
Modified: Jun 17, 2026, 2:30 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-01-27T04:20:09.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "http://wiki.lustre.org/Lustre_2.12.3_Changelog"}, {"tags": ["x_refsource_MISC"], "url": "http://lustre.org/"}, {"tags": ["x_refsource_MISC"], "url": "https://jira.whamcloud.com/browse/LU-12602"}, {"tags": ["x_refsource_MISC"], "url": "https://review.whamcloud.com/#/c/36208/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2019-20430", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "http://wiki.lustre.org/Lustre_2.12.3_Changelog", "refsource": "MISC", "url": "http://wiki.lustre.org/Lustre_2.12.3_Changelog"}, {"name": "http://lustre.org/", "refsource": "MISC", "url": "http://lustre.org/"}, {"name": "https://jira.whamcloud.com/browse/LU-12602", "refsource": "MISC", "url": "https://jira.whamcloud.com/browse/LU-12602"}, {"name": "https://review.whamcloud.com/#/c/36208/", "refsource": "MISC", "url": "https://review.whamcloud.com/#/c/36208/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T02:39:09.861Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://wiki.lustre.org/Lustre_2.12.3_Changelog"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://lustre.org/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://jira.whamcloud.com/browse/LU-12602"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://review.whamcloud.com/#/c/36208/"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2019-20430", "datePublished": "2020-01-27T04:20:09.000Z", "dateReserved": "2020-01-27T00:00:00.000Z", "dateUpdated": "2024-08-05T02:39:09.861Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:lustre:lustre:*:*:*:*:*:*:*:*", "matchCriteriaId": "172579FA-E7BC-4490-BA7D-1B5737B84154", "versionEndExcluding": "2.12.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "En el sistema de archivos de Lustre versiones anteriores versiones hasta 2.12.3, el m\u00f3dulo mdt presenta un p\u00e1nico de LBUG (por medio de un campo largo eadatasize de Body MDT) debido a la falta de comprobaci\u00f3n para campos de paquetes espec\u00edficos enviados mediante un cliente."}], "id": "CVE-2019-20430", "lastModified": "2026-06-17T02:30:25.310", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-01-27T05:15:12.420", "references": [{"source": "cve@mitre.org", "tags": ["Product", "Vendor Advisory"], "url": "http://lustre.org/"}, {"source": "cve@mitre.org", "tags": ["Release Notes", "Vendor Advisory"], "url": "http://wiki.lustre.org/Lustre_2.12.3_Changelog"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://jira.whamcloud.com/browse/LU-12602"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://review.whamcloud.com/#/c/36208/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product", "Vendor Advisory"], "url": "http://lustre.org/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "http://wiki.lustre.org/Lustre_2.12.3_Changelog"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://jira.whamcloud.com/browse/LU-12602"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://review.whamcloud.com/#/c/36208/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}, {"lang": "en", "value": "CWE-670"}], "source": "nvd@nist.gov", "type": "Primary"}]}