CVE-2017-7995

LowCVSS 3.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.0 3.8/10CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

Weakness enumeration

CWE-200

Affected software

No affected versions have been published.

Timeline

Published: May 3, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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