CVE-2019-20426
CVSS v3
7.5
HIGH
EPSS Score
1.9 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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.
Technical details
- Published
- 2020-01-27
Frequently asked questions
What is CVE-2019-20426?
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.
Is CVE-2019-20426 actively exploited?
Active exploitation of CVE-2019-20426 has not been confirmed. Its EPSS score was 1.9% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2019-20426?
CVE-2019-20426 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2019-20426 affecting your environment?
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