VDB
ALPINE-CVE-2020-27672
ALPINE-CVE-2020-27672
PUBLISHED
CVSS 7 HIGH
An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a host OS denial of service, achieve data corruption, or possibly gain privileges by exploiting a race condition that leads to a use-after-free involving 2MiB and 1GiB superpages.
Risk Scores
CVSS v3.1
7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.16 | xen | 4.2.2-r2, 4.9.1-r3, 4.9.1-r2 |
| Alpine:v3.22 | xen | 4.9.1-r2, 4.0.1-r0, 4.0.1-r2 |
| Alpine:v3.13 | xen | 4.6.1-r0, 4.7.1-r4, 0 |
| Alpine:v3.10 | xen | 0, 4.9.1-r3, 4.9.1-r2 |
| Alpine:v3.17 | xen | 4.6.0-r2, 4.6.0-r3, 4.6.0-r5 |
| Alpine:v3.14 | xen | 4.9.1-r2, 4.9.1-r3, 4.13.1-r3 |
| Alpine:v3.18 | xen | 0, 4.0.1-r1, 4.0.1-r2 |
| Alpine:v3.20 | xen | 4.7.0-r2, 4.0.1-r1, 0 |
| Alpine:v3.19 | xen | 4.0.1-r0, 4.0.1-r1, 4.0.1-r2 |
| Alpine:v3.12 | xen | 4.9.1-r3, 4.2.1-r11, 4.0.1-r2 |
| Alpine:v3.11 | xen | 4.9.1-r3, 4.9.1-r2, 4.9.1-r1 |
| Alpine:v3.21 | xen | 4.6.0-r0, 4.6.0-r1, 4.6.0-r2 |
| Alpine:v3.23 | xen | 4.1.1-r1, 4.3.2-r3, 4.0.1-r2 |
| Alpine:v3.15 | xen | 4.10.0-r1, 4.7.0-r1, 4.7.0-r0 |
Timeline
- Oct 22, 2020 CVE Published
- Dec 3, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch