CVE-2019-20426

In the Lustre file system before 2.12.3, the ptlrpc module has an out-of-bounds access and panic due to the lack of validation for specific fields of packets sent by a client. In the function ldlm_cancel_hpreq_check, there is no lock_count bounds check.

CVSS v3 7.5 HIGH
CVSS v2.0 7.8 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

7.8^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 10.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
http://lustre.org/	Product Vendor Advisory
http://wiki.lustre.org/Lustre_2.12.3_Changelog	Release Notes Vendor Advisory
https://jira.whamcloud.com/browse/LU-12614	Exploit Third Party Advisory
https://review.whamcloud.com/#/c/36107/	Third Party Advisory

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2020-01-27 05:15

Updated : 2024-02-04 20:39

NVD link : CVE-2019-20426

Mitre link : CVE-2019-20426

CVE.ORG link : CVE-2019-20426

JSON object : View

Products Affected

lustre

lustre

CWE

CWE-787

Out-of-bounds Write

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