CVE-2019-20432: Lustre

High severity, CVSS 7.5. 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.

Affected products

• Lustre Lustre: before 2.12.3 (fixed in 2.12.3)

Published 2020-01-27. Last modified 2026-06-17.