CVE Vulnerability

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.

7.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

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

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

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

Published : 2020-01-27 05:15

Updated : 2020-08-24 05:37

NVD link : CVE-2019-20426

Mitre link : CVE-2019-20426

Products Affected
No products.
CWE
CWE-787