Vigil@nce - Xen/Linux: read-write access via IO Ports
September 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerabilities-watch-and-alert
SYNTHESIS OF THE VULNERABILITY
– Impacted products: Linux.
– Severity: 2/4.
– Consequences: data reading, data creation/edition, data deletion.
– Provenance: user shell.
– Confidence: confirmed by the editor (5/5).
– Creation date: 16/07/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker, inside a guest system, can bypass access restrictions
via IO Ports of Xen/Linux, in order to read or alter data on the
host system.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/Xen-Linux-read-write-access-via-IO-Ports-32862