In FreeBSD 12.1-STABLE before r356908, 12.1-RELEASE before p5, 11.3-STABLE before r356908, and 11.3-RELEASE before p9, a race condition in the cryptodev module permitted a data structure in the kernel to be used after it was freed, allowing an unprivileged process can overwrite arbitrary kernel memory
Published May 13, 2020
7.4
HIGHCVSS 3.1
EPSS 0.66%
Description
In FreeBSD 12.1-STABLE before r356908, 12.1-RELEASE before p5, 11.3-STABLE before r356908, and 11.3-RELEASE before p9, a race condition in the cryptodev module permitted a data structure in the kernel to be used after it was freed, allowing an unprivileged process can overwrite arbitrary kernel memory.
Affected products
- Vendor n/a Product FreeBSD Defaultn/a
- Version FreeBSD 12.1-RELEASE before p5, and 11.3-RELEASE before p9StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | FreeBSD | n/a |
|
- 11.3
- 11.3
- 11.3
- 11.3
- 11.3
- 11.3
- 11.3
- 11.3
- 11.3
- 12.1
- 12.1
- 12.1
- 12.1
- 12.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.66% (0.00656) | 49.65th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.66% (0.00656) | 49.97th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.12% (0.00116) | 45.95th | v3 (v2023.03.01) |
| Jul 10, 2024 | 0.12% (0.00116) | 45.90th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.12% (0.00116) | 43.82th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.50% (0.04499) | 74.08th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.74% (0.02742) | 63.06th | v1 |
| Jan 6, 2022 | 2.74% (0.02742) | 62.72th | v1 |
| Jan 5, 2022 | 0.62% (0.00624) | 46.35th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
References (2)
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:15.cryptodev.asc x_refsource_MISCVendor Advisory
- https://security.netapp.com/advisory/ntap-20200518-0005/ x_refsource_CONFIRM
| Link | Providers | Tags |
|---|---|---|
| https://security.FreeBSD.org/advisories/FreeBSD-SA-20:15.cryptodev.asc | x_refsource_MISCVendor Advisory | |
| https://security.netapp.com/advisory/ntap-20200518-0005/ | x_refsource_CONFIRM |
Change history (0)
No recorded changes yet.