CVE-2019-20432

7.5 highEPSS 1.8%

High (7.5) in lustre lustre. EPSS 1.8% chance of exploitation in the next 30 days.

In the Lustre file system before 2.12.3, the mdt module has an out-of-bounds access and panic due to the lack of validation for specific fields of packets sent by a client. mdt_file_secctx_unpack does not validate the value of name_size derived from req_capsule_get_size.

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: 1.8% chance of exploitation in the next 30 days; higher than 78% 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-12604
https://review.whamcloud.com/#/c/35868/
http://lustre.org/

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