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Vigil@nce - Xen: information disclosure via ARM ERET Instruction Speculate

January 2020 by Vigil@nce

SYNTHESIS OF THE VULNERABILITY

Impacted products: Xen.

Severity: 1/4.

Consequences: data reading.

Provenance: user shell.

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

Creation date: 14/01/2020.

DESCRIPTION OF THE VULNERABILITY

An attacker can bypass access restrictions to data via ARM ERET Instruction Speculate of Xen, in order to obtain sensitive information.

ACCESS TO THE FULL VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/...




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