CVE-2020-27670
HIGH7.8EPSS 0.04%xen - security update
發布日:2020/10/22修改日:2026/3/9
描述
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.
受影響套件(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 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| 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 |