VULNERABILITY INTELLIGENCE
CVE-2018-19965
CVSS score5.6 MEDIUM
EPSS probability0.43%
CISA KEVNot currently listed
Published2018-12-08
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
Description
An issue was discovered in Xen through 4.11.x allowing 64-bit PV guest OS users to cause a denial of service (host OS crash) because #GP[0] can occur after a non-canonical address is passed to the TLB flushing code. NOTE: this issue exists because of an incorrect CVE-2017-5754 (aka Meltdown) mitigation.
Primary references
- cve@mitre.org
- cve@mitre.org — Third Party Advisory, VDB Entry
- cve@mitre.org
- cve@mitre.org — Patch, Third Party Advisory
- cve@mitre.org — Third Party Advisory
- cve@mitre.org — Mitigation, Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mitigation, Patch, Vendor Advisory