In the Lustre file system before 2.12.3, the ptlrpc module has an out-of-bounds access…
Priority LOW 37CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
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 lustre_msg_string, there is no validation of a certain length value derived from lustre_msg_buflen_v2.
Why it matters now
EPSS 0.02183 82nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-20425
- 2026-10-03 Alias added: GHSA-2v9r-8543-48mw
References
More Lustre vulnerabilities
- TI-2019-14659 In the Lustre file system before 2.12.3, the ptlrpc module has a buffer overflow and… CVSS 3.1CRITICAL 9.8
- TI-2019-14656 In the Lustre file system before 2.12.3, mdt_object_remote in the mdt module has a NULL… CVSS 3.1HIGH 7.5
- TI-2019-14663 In the Lustre file system before 2.12.3, the ptlrpc module has an osd_map_remote_to_local… CVSS 3.1HIGH 7.5
- TI-2019-14662 In the Lustre file system before 2.12.3, the mdt module has an LBUG panic (via a large… CVSS 3.1HIGH 7.5
- TI-2019-14661 In the Lustre file system before 2.12.3, the ptlrpc module has an out-of-bounds read and… CVSS 3.1HIGH 7.5
- TI-2019-14658 In the Lustre file system before 2.12.3, the ptlrpc module has an out-of-bounds access… CVSS 3.1HIGH 7.5
Sources
- CVE-2019-20425 · CVE Program
- CVE-2019-20425 · NVD
- FIRST EPSS
- GHSA-2v9r-8543-48mw · GitHub Advisory Database · CC BY 4.0
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