CVE-2018-19967
MEDIUM6.5EPSS 0.07%Published: 12/8/2018Modified: 4/28/2026
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.
Affected packages (2)
- Alpine/xenfrom 0, < 4.11.1-r0
- Debian/xenfrom 0, < 4.11.1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |