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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.029 (86.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000
Affected products
Weakness classification (CWE)
References
- wiki.lustre.org/Lustre_2.12.3_Changelog (Release Notes, Vendor Advisory)
- lustre.org/ (Product, Vendor Advisory)
- jira.whamcloud.com/browse/LU-12615 (Exploit, Third Party Advisory)
- review.whamcloud.com/ (Third Party Advisory)
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.