CVE-2019-20426 json
In the Lustre file system before 2.12.3, the ptlrpc module has an out-of-bounds access and panic due to the lack of validation for specific…
published 2020-01-27 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-10974
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.9%
- EPSS 1.9% chance of exploitation in 30 days, percentile 80%
- public exploits
- 0
- none known
Summary
In the Lustre file system before 2.12.3, the ptlrpc module has an out-of-bounds access and panic due to the lack of validation for specific fields of packets sent by a client. In the function ldlm_cancel_hpreq_check, there is no lock_count bounds check.
Patch / fix
- lustre lustre 2.12.3
Exploit prediction
1.92% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- jira.whamcloud.com https://jira.whamcloud.com/browse/LU-12614 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
jira.whamcloud.com
/browse/LU-12614
exploit, third-party-advisory
-
wiki.lustre.org
/Lustre_2.12.3_Changelog
release-notes, vendor-advisory
-
lustre.org
/
product, vendor-advisory
-
review.whamcloud.com
/#/c/36107/
third-party-advisory
Sources
- CVE List CVE-2019-20426
- NVD CVE-2019-20426
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