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Vulnerability of Xen: information disclosure via Power Interfaces Weak Access

Synthesis of the vulnerability 

An attacker, inside a guest system, can bypass access restrictions to data via Power Interfaces Weak Access of Xen, in order to obtain sensitive information on the host system.
Vulnerable systems: SUSE Linux Enterprise Desktop, SLES, Xen.
Severity of this threat: 1/4.
Creation date: 11/11/2020.
Références of this weakness: CERTFR-2020-AVI-728, CVE-2020-28368, SUSE-SU-2020:3412-1, SUSE-SU-2020:3413-1, SUSE-SU-2020:3414-1, SUSE-SU-2020:3415-1, SUSE-SU-2020:3416-1, VIGILANCE-VUL-33884, XSA-351.

Description of the vulnerability 

An attacker, inside a guest system, can bypass access restrictions to data via P...
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This vulnerability bulletin impacts software or systems such as SUSE Linux Enterprise Desktop, SLES, Xen.

Our Vigil@nce team determined that the severity of this security note is low.

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

An attacker with a expert ability can exploit this cybersecurity note.

Solutions for this threat 

This vulnerability workaround will be public soon.
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