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Vigil@nce - AMD Processors: information disclosure via Running Average Power Limit

January 2021 by Vigil@nce

This bulletin was written by Vigil@nce : https://vigilance.fr/computer-vulnerability

SYNTHESIS OF THE VULNERABILITY

Impacted products: Linux, Ubuntu.

Severity: 1/4.

Consequences: data reading.

Provenance: user shell.

Confidence: confirmed by the editor (5/5).

Creation date: 06/01/2021.

DESCRIPTION OF THE VULNERABILITY

An attacker can bypass access restrictions to data via Running
Average Power Limit of AMD Processors, in order to obtain
sensitive information.

ACCESS TO THE FULL VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/AMD-Processors-information-disclosure-via-Running-Average-Power-Limit-34246


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