CVE-2020-7467
HIGHFreeBSD Privilege Escalation via AMD Virtualization Instructions
Title source: llmDescription
In FreeBSD 12.2-STABLE before r365767, 11.4-STABLE before r365769, 12.1-RELEASE before p10, 11.4-RELEASE before p4 and 11.3-RELEASE before p14 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.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_misc
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:29.bhyve_svm.asc
Scores
CVSS v3
7.6
EPSS
0.0004
EPSS Percentile
12.8%
Attack Vector
PHYSICAL
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Details
CWE
CWE-269
Status
published
Products (4)
freebsd/freebsd
11.3 (14 CPE variants)
freebsd/freebsd
11.4 (4 CPE variants)
freebsd/freebsd
12.1 (10 CPE variants)
freebsd/freebsd
12.2
Published
Mar 26, 2021
Tracked Since
Feb 18, 2026