CVE-2020-27670
HIGH7.8EPSS 0.04%xen - security update
Published: 10/22/2020Modified: 4/28/2026
Description
An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a denial of service (data corruption), cause a data leak, or possibly gain privileges because an AMD IOMMU page-table entry can be half-updated.
Affected packages (3)
- Alpine/xenfrom 0, < 4.12.4-r0
- Debian/xenfrom 0, < 4.14.0+80-gd101b417b7-1
- Debian/xenfrom 0, < 4.11.4+57-g41a822c392-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |