CVE-2017-12134

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

24/08/2017

Last modified:

20/04/2025

Description

The xen_biovec_phys_mergeable function in drivers/xen/biomerge.c in Xen might allow local OS guest users to corrupt block device data streams and consequently obtain sensitive memory information, cause a denial of service, or gain host OS privileges by leveraging incorrect block IO merge-ability calculation.

Impact

Vector 3.x

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.80 HIGH
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

8.80

Severity 3.x

HIGH

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:xen:xen::::::::
cpe:2.3:a:citrix:xenserver:6.0.2:::::::*
cpe:2.3:a:citrix:xenserver:6.2.0:::::::*
cpe:2.3:a:citrix:xenserver:6.5:::::::*
cpe:2.3:a:citrix:xenserver:7.0:::::::*
cpe:2.3:a:citrix:xenserver:7.1:::::::*
cpe:2.3:a:citrix:xenserver:7.2:::::::*

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

CPE	From	Up to
cpe:2.3:o:xen:xen::::::::
cpe:2.3:a:citrix:xenserver:6.0.2:::::::*
cpe:2.3:a:citrix:xenserver:6.2.0:::::::*
cpe:2.3:a:citrix:xenserver:6.5:::::::*
cpe:2.3:a:citrix:xenserver:7.0:::::::*
cpe:2.3:a:citrix:xenserver:7.1:::::::*
cpe:2.3:a:citrix:xenserver:7.2:::::::*

CVE-2017-12134

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools