CVE-2018-19967

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.0 6.5/10CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Weakness enumeration

CWE-20

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00057.html
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html
http://www.securityfocus.com/bid/106182Third Party Advisory, VDB Entry
https://support.citrix.com/article/CTX239432Third Party Advisory
https://www.debian.org/security/2019/dsa-4369Third Party Advisory
https://xenbits.xen.org/xsa/advisory-282.htmlPatch, Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00057.html
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html
http://www.securityfocus.com/bid/106182Third Party Advisory, VDB Entry
https://support.citrix.com/article/CTX239432Third Party Advisory
https://www.debian.org/security/2019/dsa-4369Third Party Advisory
https://xenbits.xen.org/xsa/advisory-282.htmlPatch, Vendor Advisory

Timeline

Published: Dec 8, 2018
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2018

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