CVE-2019-20431

7.5 highEPSS 1.9%

High (7.5) in lustre lustre. EPSS 1.9% chance of exploitation in the next 30 days.

In the Lustre file system before 2.12.3, the ptlrpc module has an osd_map_remote_to_local out-of-bounds access and panic due to the lack of validation for specific fields of packets sent by a client. osd_bufs_get in the osd_ldiskfs module does not validate a certain length value.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 1.9% chance of exploitation in the next 30 days; higher than 79% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2020-01-27
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

lustre:lustre

References

http://lustre.org/
http://wiki.lustre.org/Lustre_2.12.3_Changelog
https://jira.whamcloud.com/browse/LU-12612
https://review.whamcloud.com/#/c/36273/
http://lustre.org/

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