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

VendorProductVersions
Alpine:v3.16xen4.2.2-r2, 4.9.1-r3, 4.9.1-r2
Alpine:v3.22xen4.9.1-r2, 4.0.1-r0, 4.0.1-r2
Alpine:v3.13xen4.6.1-r0, 4.7.1-r4, 0
Alpine:v3.10xen0, 4.9.1-r3, 4.9.1-r2
Alpine:v3.17xen4.6.0-r2, 4.6.0-r3, 4.6.0-r5
Alpine:v3.14xen4.9.1-r2, 4.9.1-r3, 4.13.1-r3
Alpine:v3.18xen0, 4.0.1-r1, 4.0.1-r2
Alpine:v3.20xen4.7.0-r2, 4.0.1-r1, 0
Alpine:v3.19xen4.0.1-r0, 4.0.1-r1, 4.0.1-r2
Alpine:v3.12xen4.9.1-r3, 4.2.1-r11, 4.0.1-r2
Alpine:v3.11xen4.9.1-r3, 4.9.1-r2, 4.9.1-r1
Alpine:v3.21xen4.6.0-r0, 4.6.0-r1, 4.6.0-r2
Alpine:v3.23xen4.1.1-r1, 4.3.2-r3, 4.0.1-r2
Alpine:v3.15xen4.10.0-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
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