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Vulnerability of Xen: information disclosure via Bare 32-bit PV Guests

Synthesis of the vulnerability 

An attacker, inside a guest system, can bypass access restrictions to data via Bare 32-bit PV Guests of Xen, in order to obtain sensitive information on the host system.
Vulnerable systems: SUSE Linux Enterprise Desktop, SLES, Xen.
Severity of this threat: 2/4.
Creation date: 19/05/2021.
Références of this weakness: CVE-2021-28689, SUSE-SU-2021:1648-1, VIGILANCE-VUL-35492, XSA-370.

Description of the vulnerability 

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

Our Vigil@nce team determined that the severity of this computer vulnerability note is medium.

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 security bulletin.

Solutions for this threat 

This vulnerability solution will be public soon.
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