vulnerability
FreeBSD: VID-e73c688b-f7e6-11ea-88f8-901b0ef719ab (CVE-2020-7467): FreeBSD -- bhyve SVM guest escape
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:N/C:C/I:C/A:C) | Sep 16, 2020 | Sep 17, 2020 | Dec 10, 2025 |
Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Sep 16, 2020
Added
Sep 17, 2020
Modified
Dec 10, 2025
Description
Problem Description: A number of AMD virtualization instructions operate on host physical addresses, are not subject to nested page table translation, and guest use of these instructions was not trapped. Impact: From kernel mode a malicious guest can write to arbitrary host memory (with some constraints), affording the guest full control of the host.
Solutions
freebsd-upgrade-base-12_1-release-p10freebsd-upgrade-base-11_4-release-p4freebsd-upgrade-base-11_3-release-p14
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