In FreeBSD 12.0-STABLE before r350246, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r350247, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, the emulated XHCI device included with the bhyve hypervisor did not properly validate data provided by the guest, allowing an out-of-bounds read
Published Jul 26, 2019
9.6
CRITICALCVSS 3.1
EPSS 3.09%
Description
In FreeBSD 12.0-STABLE before r350246, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r350247, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, the emulated XHCI device included with the bhyve hypervisor did not properly validate data provided by the guest, allowing an out-of-bounds read. This provides a malicious guest the possibility to crash the system or access system memory.
Affected products
-
- Version FreeBSD before 12.0-RELEASE-p8StatusaffectedConstraints-
- Version and before 11.2-RELEASE-p12StatusaffectedConstraints-
- Version before 11.3-RELEASE-p1StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
- 11.0
- 11.2
- 11.2
- 11.2
- 11.2
- 11.2
- 11.2
- 11.2
- 11.2
- 11.2
- 11.2
- 11.2
- 11.2
- 11.3
- 12.0
- 12.0
- 12.0
- 12.0
- 12.0
- 12.0
- 12.0
- 12.0
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:L/PR:L/UI:N/S:C/C:H/I:N/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:S/C:C/I:N/A:C
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 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.09% (0.03094) | 87.28th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.09% (0.03094) | 85.99th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.91% (0.01907) | 81.65th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.83% (0.04834) | 82.15th | v4 (v2025.03.14) |
| Mar 19, 2025 | 1.91% (0.01907) | 81.35th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.23% (0.00233) | 61.80th | v3 (v2023.03.01) |
| Jul 19, 2024 | 0.23% (0.00233) | 61.79th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.27% (0.00275) | 67.22th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.27% (0.00275) | 63.08th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00890) | 30.33th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00890) | 26.62th | v2 (v2022.01.01) |
| Feb 4, 2022 | 11.75% (0.11752) | 89.17th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.63% (0.03630) | 71.73th | v5 (v2026.06.15) |
| Jan 6, 2022 | 3.63% (0.03630) | 71.48th | v1 |
| Sep 1, 2021 | 0.83% (0.00833) | 57.50th | v1 |
| Apr 14, 2021 | 0.83% (0.00833) | 0.00th | v1 |
References (3)
- http://packetstormsecurity.com/files/153753/FreeBSD-Security-Advisory-FreeBSD-SA-19-16.bhyve.html x_refsource_MISCThird Party AdvisoryVDB Entry
- https://security.FreeBSD.org/advisories/FreeBSD-SA-19:16.bhyve.asc vendor-advisoryx_refsource_FREEBSDVendor Advisory
- https://security.netapp.com/advisory/ntap-20190814-0003/ x_refsource_CONFIRMThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/153753/FreeBSD-Security-Advisory-FreeBSD-SA-19-16.bhyve.html | x_refsource_MISCThird Party AdvisoryVDB Entry | |
| https://security.FreeBSD.org/advisories/FreeBSD-SA-19:16.bhyve.asc | vendor-advisoryx_refsource_FREEBSDVendor Advisory | |
| https://security.netapp.com/advisory/ntap-20190814-0003/ | x_refsource_CONFIRMThird Party Advisory |
Change history (0)
No recorded changes yet.