HIGH
In the Lustre file system before 2.12.3, the ptlrpc module has an out-of-bounds read and panic due to the lack of validation for specific fields of packets sent by a client
Published Jan 27, 2020
7.5
HIGHCVSS 3.1
EPSS 1.82%
Description
In the Lustre file system before 2.12.3, the ptlrpc module has an out-of-bounds read and panic due to the lack of validation for specific fields of packets sent by a client. The ldl_request_cancel function mishandles a large lock_count parameter.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
7.5 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
No CVSS v3.0 score for this CVE.
7.8 HIGH NVD
AV:N/AC:L/Au:N/C:N/I:N/A:C
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.82% 0.01821
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.01821
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.82% (0.01821) | 77.99th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.82% (0.01821) | 77.79th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.47% (0.00473) | 75.91th | v3 (v2023.03.01) |
| Feb 15, 2024 | 0.47% (0.00473) | 74.96th | v3 (v2023.03.01) |
| Nov 30, 2023 | 0.47% (0.00473) | 72.95th | v3 (v2023.03.01) |
| Nov 15, 2023 | 0.34% (0.00343) | 68.42th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.29% (0.00287) | 63.90th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.18% (0.07176) | 80.33th | v2 (v2022.01.01) |
| Feb 3, 2022 | 4.50% (0.04504) | 76.47th | v1 |
| Jan 6, 2022 | 4.50% (0.04504) | 76.26th | v1 |
| Jan 5, 2022 | 1.04% (0.01040) | 65.70th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.04% (0.01040) | 0.00th | v1 |
Weaknesses (1)
References (4)
- http://lustre.org/ x_refsource_MISCProductVendor Advisory
- http://wiki.lustre.org/Lustre_2.12.3_Changelog x_refsource_MISCRelease NotesVendor Advisory
- https://jira.whamcloud.com/browse/LU-12603 x_refsource_MISCThird Party Advisory
- https://review.whamcloud.com/#/c/36108/ x_refsource_MISCThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://lustre.org/ | x_refsource_MISCProductVendor Advisory | |
| http://wiki.lustre.org/Lustre_2.12.3_Changelog | x_refsource_MISCRelease NotesVendor Advisory | |
| https://jira.whamcloud.com/browse/LU-12603 | x_refsource_MISCThird Party Advisory | |
| https://review.whamcloud.com/#/c/36108/ | x_refsource_MISCThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jan 27, 2020
Updated Aug 5, 2024
Reserved Jan 27, 2020
Link CVE-2019-20428
CISA Vulnrichment
Updated n/a