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ALPINE-CVE-2020-27674

ALPINE-CVE-2020-27674 PUBLISHED CVSS 5.300000190734863 MEDIUM

An issue was discovered in Xen through 4.14.x allowing x86 PV guest OS users to gain guest OS privileges by modifying kernel memory contents, because invalidation of TLB entries is mishandled during use of an INVLPG-like attack technique.

Risk Scores

CVSS v3.1
5.300000190734863
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Affected Products

VendorProductVersions
Alpine:v3.15xen4.9.1-r3, 4.9.1-r2, 4.9.1-r1
Alpine:v3.18xen4.9.1-r3, 4.9.1-r2, 4.9.1-r1
Alpine:v3.10xen4.0.1-r0, 4.0.1-r1, 4.0.1-r2
Alpine:v3.22xen0, 4.0.1-r1, 4.0.1-r2
Alpine:v3.14xen4.9.1-r3, 4.0.1-r0, 4.0.1-r1
Alpine:v3.17xen0, 4.9.1-r3, 4.9.1-r2
Alpine:v3.11xen4.4.1-r5, 0, 4.0.1-r0
Alpine:v3.21xen4.2.2-r4, 4.2.2-r2, 4.2.2-r11
Alpine:v3.13xen4.12.0-r1, 4.0.1-r3, 0
Alpine:v3.20xen4.0.1-r3, 0, 4.0.1-r1
Alpine:v3.16xen4.9.1-r3, 4.9.1-r2, 4.9.1-r1
Alpine:v3.12xen4.9.1-r3, 0, 4.0.1-r0
Alpine:v3.23xen4.10.0-r0, 0, 4.0.1-r0
Alpine:v3.19xen4.3.0-r2, 4.13.1-r0, 4.13.0-r3

Timeline

  • Oct 22, 2020 CVE Published
  • Dec 3, 2025 CVE Updated
  • Apr 30, 2026 Distribution Patch
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