Vigil@nce - Xen: denial of service via HVM Soft-reset Management Daemon
May 2021 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/computer-vulnerability
SYNTHESIS OF THE VULNERABILITY
– Impacted products: Fedora, SUSE Linux Enterprise Desktop, SLES,
Xen.
– Severity: 2/4.
– Consequences: denial of service on service.
– Provenance: user shell.
– Confidence: confirmed by the editor (5/5).
– Creation date: 18/03/2021.
DESCRIPTION OF THE VULNERABILITY
An attacker, inside a guest system, can trigger a fatal error via
HVM Soft-reset Management Daemon of Xen, in order to trigger a
denial of service on the host system.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/Xen-denial-of-service-via-HVM-Soft-reset-Management-Daemon-34882