CVE-2020-27673
Medium
Description
An issue was discovered in the Linux kernel through 5.9.1, as used with Xen through 4.14.x. Guest OS users can cause a denial of service (host OS hang) via a high rate of events to dom0, aka CID-e99502f76271.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedOct 22, 2020
First seenOct 22, 2020
How to fix
Update
- linux linux_kernel4.4.244, 4.9.244, 4.14.207, 4.19.155, 5.4.75, 5.9.5 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 2.6.12 ≤ v < 4.4.244, 4.5.0 ≤ v < 4.9.244, 4.10.0 ≤ v < 4.14.207, 4.15.0 ≤ v < 4.19.155, 4.20.0 ≤ v < 5.4.75, 5.5.0 ≤ v < 5.9.5, 5.10 | 4.4.244, 4.9.244, 4.14.207, 4.19.155, 5.4.75, 5.9.5 |
| debian debian_linux | 9.0 | — |
| opensuse leap | 15.1, 15.2 | — |
| xen xen | v ≤ 4.14.0 | — |
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