Out-of-Bounds Access and Panic in Lustre File System (CVE-XXXX-XXXX)

CVE-2019-20432 · HIGH Severity

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

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.

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