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Vulnerability of Xen: information disclosure via ARM ERET Instruction Speculate

Synthesis of the vulnerability

An attacker can bypass access restrictions to data via ARM ERET Instruction Speculate of Xen, in order to obtain sensitive information.
Severity of this computer vulnerability: 1/4.
Creation date: 14/01/2020.
Références of this announce: CERTFR-2020-AVI-031, VIGILANCE-VUL-31318, XSA-312.

Description of the vulnerability

An attacker can bypass access restrictions to data via ARM ERET Instruction Spec...
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This computer vulnerability announce impacts software or systems such as Xen.

Our Vigil@nce team determined that the severity of this cybersecurity bulletin is low.

The trust level is of type confirmed by the editor, with an origin of user shell.

An attacker with a expert ability can exploit this threat alert.

Solutions for this threat

This vulnerability patch will be public soon.
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