CVE Vulnerability

CVE-2018-19967

An issue was discovered in Xen through 4.11.x on Intel x86 platforms allowing guest OS users to cause a denial of service (host OS hang) because Xen does not work around Intel's mishandling of certain HLE transactions associated with the KACQUIRE instruction prefix.

4.9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 6.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2 / Impact : 4

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

References
Link Resource
https://xenbits.xen.org/xsa/advisory-282.html Patch Vendor Advisory
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
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00057.html
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html
Configurations

Configuration 1

cpe:2.3:o:xen:xen:*:*:*:*:*:*:x86:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Information

Published : 2018-12-08 04:29

Updated : 2019-04-17 09:29

NVD link : CVE-2018-19967

Mitre link : CVE-2018-19967

Products Affected
No products.
CWE
CWE-20