CVSS 3.0
6.5 mediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:HCVE-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.
Severity
- EPSS
- 0.5% chance of exploitation in the next 30 days; higher than 39% of CVEs (scores of 2026-10-31)
- CWE
- CWE-20
- Published
- Modified
- Record from
- the NVD, synced
Affected
- debian:debian_linux
- xen:xen