CVE Vulnerability

CVE-2018-19962

An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because small IOMMU mappings are unsafely combined into larger ones.

6.9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.4 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

7.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.1 / Impact : 6

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References
Link Resource
https://xenbits.xen.org/xsa/advisory-275.html Vendor Advisory Patch
http://www.securityfocus.com/bid/106182 Third Party Advisory VDB Entry
https://support.citrix.com/article/CTX239432 Third Party Advisory
https://www.debian.org/security/2019/dsa-4369 Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html
https://lists.debian.org/debian-lts-announce/2019/10/msg00008.html
Configurations

Configuration 1

cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:*
cpe:2.3:a:citrix:xenserver:7.5:*:*:*:*:*:*:*
cpe:2.3:a:citrix:xenserver:7.6:*:*:*:*:*:*:*
cpe:2.3:a:citrix:xenserver:7.1:cu1:*:*:ltsr:*:*:*
Information

Published : 2018-12-08 04:29

Updated : 2019-10-03 12:03

NVD link : CVE-2018-19962

Mitre link : CVE-2018-19962

Products Affected
No products.
CWE
CWE-200