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...
SYNTHESIS OF THE VULNERABILITY
Impacted products: Linux.
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.
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