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.

CVSS v3.0 6.5 MEDIUM
CVSS v2.0 4.9 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

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

Exploitability : 2.0 / Impact : 4.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

4.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

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

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Configurations

Configuration 1 (hide)

cpe:2.3:o:xen:xen:*:*:*:*:*:*:x86:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Information

Published : 2018-12-07 20:29

Updated : 2019-04-17 14:29

NVD link : CVE-2018-19967

Mitre link : CVE-2018-19967

JSON object : View

CWE

CWE-20

Improper Input Validation

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Products Affected

debian

debian_linux

xen

xen

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