Vigil@nce - Linux kernel: denial of service via the VFIO device driver
July 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer...
SYNTHESIS OF THE VULNERABILITY
Impacted products: Fedora, Linux, openSUSE Leap, RHEL.
Consequences: denial of service on server.
Provenance: user shell.
Confidence: confirmed by the editor (5/5).
Creation date: 19/05/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker, inside a guest system, can trigger a fatal error via VFIO of the Linux kernel, in order to trigger a denial of service on the host system.
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