CVE-2020-27672

CVE Details

Release Date:2020-10-22
Impact:None What is this?

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.

See more information about CVE-2020-27672 from MITRE CVE dictionary and NIST NVD


NOTE: The following CVSS metrics and score provided are preliminary and subject to review.


CVSS v3 metrics

Base Score: 7.0
Vector String: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Version: 3.0
Attack Vector: Local
Attack Complexity: High
Privileges Required: Low
User Interaction: None
Scope: Unchanged
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High

Errata information


PlatformErrataRelease Date
Oracle VM version 3 (xen)OVMSA-2021-00142021-04-27
Oracle VM version 3.4 (xen)OVMSA-2021-00142021-04-27


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