CVE-2018-19967
MEDIUMXen < 4.11.1 - Denial of Service via HLE Transaction Mishandling
Title source: llmDescription
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.
References (6)
Core 6
Core References
Patch, Vendor Advisory x_refsource_misc
https://xenbits.xen.org/xsa/advisory-282.html
Third Party Advisory x_refsource_confirm
https://support.citrix.com/article/CTX239432
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2019/dsa-4369
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/106182
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00057.html
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html
Scores
CVSS v3
6.5
EPSS
0.0007
EPSS Percentile
21.8%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Details
CWE
CWE-20
Status
published
Products (2)
debian/debian_linux
9.0
xen/xen
< 4.11.1
Published
Dec 08, 2018
Tracked Since
Feb 18, 2026