CVE-2020-27670
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Xen
PublishedOct 22, 2020
First seenOct 22, 2020
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| xen xen | v ≤ 4.14.0 | — |
| opensuse leap | 15.1, 15.2 | — |
| fedoraproject fedora | 31 | — |
| debian debian_linux | 10.0 | — |
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