CVE-2020-27672

HighCVSS 7.0/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.0/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-362 CWE-416

Affected software

No affected versions have been published.

Timeline

Published: Oct 22, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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