NULL pointer dereference in Lustre

CVE-2019-20424

In the Lustre file system before 2.12.3, mdt_object_remote in the mdt module has a NULL pointer dereference and panic due to the lack of validation for specific fields of packets sent by a client.

EPSS: 0.029 (85.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-20424?
CVE-2019-20424 is a high-severity vulnerability in Lustre, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2020-01-27.
How severe is CVE-2019-20424?
High severity. CVSS v3 base score is 7.5 out of 10.