ALPINE-CVE-2020-27672

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2020-27672
Published: 22 Oct 2020, 21:15
Last modified:03 Dec 2025, 22:40

Vulnerability Summary

Overall Risk (default)
medium
28/100
CVSS Score
7 HIGH
3.1 (osv_alpine)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

22 Oct 2020, 21:15
Published
Vulnerability first disclosed
03 Dec 2025, 22:40
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v3.1•HIGH•Score: 7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • alpine•xen

    < 4.12.4-r0 | < 4.13.2-r0 | < 4.13.2-r0 | < 4.14.0-r2 | < 4.14.0-r2 | < 4.14.0-r2 | < 4.14.0-r2 | < 4.14.0-r2 | < 4.14.0-r2 | < 4.14.0-r2 | < 4.14.0-r2 | < 4.14.0-r2 | < 4.14.0-r2 | < 4.14.0-r2

References (1)