CVE-2017-10915

The shadow-paging feature in Xen through 4.8.x mismanages page references and consequently introduces a race condition, which allows guest OS users to obtain Xen privileges, aka XSA-219.

CVSS v3.0 9.0 CRITICAL
CVSS v2.0 6.8 MEDIUM

9.0^/10

CVSS v3.0 : CRITICAL

V3 Legend

Vector : AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Exploitability : 2.2 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

6.8^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://xenbits.xen.org/xsa/advisory-219.html	Mailing List Mitigation Vendor Advisory
http://www.securityfocus.com/bid/99174	Third Party Advisory VDB Entry
https://security.gentoo.org/glsa/201708-03
https://security.gentoo.org/glsa/201710-17
http://www.debian.org/security/2017/dsa-3969

Configurations

Configuration 1 (hide)

cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*

Information

Published : 2017-07-04 18:29

Updated : 2017-11-03 18:29

NVD link : CVE-2017-10915

Mitre link : CVE-2017-10915

JSON object : View

CWE

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Products Affected

xen

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9.0 /10