CVE-2017-7995 Information

Description

Xen PV guest before Xen 4.3 checked access permissions to MMIO ranges only after accessing them allowing host PCI device space memory reads leading to information disclosure. This is an error in the get_user function. NOTE: the upstream Xen Project considers versions before 4.5.x to be EOL.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

Reference

http://lists.opensuse.org/opensuse-security-announce/2017-05/msg00005.html http://www.securityfocus.com/bid/98314 https://bugzilla.suse.com/show_bug.cgi?id=1033948

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

NONE

Base Score

NONE

Base Severity

3.8