Vigil@nce - FreeBSD 12.1: denial of service via Bhyve PCI Device Passthrough
July 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/?langue=2
SYNTHESIS OF THE VULNERABILITY
Impacted products: FreeBSD.
Severity: 1/4.
Consequences: denial of service on server, denial of service on
service.
Provenance: user shell.
Confidence: confirmed by the editor (5/5).
Creation date: 09/07/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker, inside a guest system, can trigger a fatal error via
Bhyve PCI Device Passthrough of FreeBSD 12.1, in order to trigger
a denial of service on the host system.
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