CVE-2020-7467

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...

CVE-2020-7467

The CVE-2020-7467 issue is a FreeBSD bhyve SVM vulnerability. Affected: FreeBSD 12.2-STABLE before r365767; 12.1-RELEASE before p10; 11.4-STABLE before r365769; 11.4-RELEASE before p4; 11.3-RELEASE before p14. Description: several AMD virtualization instructions operate on host physical addresses...

FreeBSD : FreeBSD -- bhyve SVM guest escape (e73c688b-f7e6-11ea-88f8-901b0ef719ab)

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 th...

FreeBSD-SA-20:29.bhyve_svm

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-20:29.bhyvesvm Security Advisory The FreeBSD Project Topic: bhyve SVM guest escape Category: core Module: bhyve Announced: 2020-09-15 Credits: Maxime Villard...