CVE-2015-5166

Severity CVSS v4.0:

Pending analysis

Type:

CWE-264 Permissions, Privileges, and Access Control

Publication date:

12/08/2015

Last modified:

12/04/2025

Description

Use-after-free vulnerability in QEMU in Xen 4.5.x and earlier does not completely unplug emulated block devices, which allows local HVM guest users to gain privileges by unplugging a block device twice.

Impact

Vector 2.0

AV:L/AC:L/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.20 HIGH
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0

7.20

Severity 2.0

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:fedoraproject:fedora:21:::::::*
cpe:2.3:o:fedoraproject:fedora:22:::::::*
cpe:2.3:o:xen:xen::::::::		4.5.0 (including)
cpe:2.3:o:xen:xen:4.5.1:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2015-5166

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools