CVE-2020-27672

CVSS V2 Medium 6.9 CVSS V3 High 7
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.
Overview
  • CVE ID
  • CVE-2020-27672
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-10-22T21:15:13
  • Last Modified Date
  • 2022-04-26T16:23:17
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:xen:xen:*:*:*:*:*:*:x86:* 1 OR 3.2.0 4.14.0
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:M/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 6.9
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.4
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1
  • Impact Score
  • 5.9
History
Created Old Value New Value Data Type Notes
2022-05-10 06:26:28 Added to TrackCVE
2022-12-05 00:55:22 2020-10-22T21:15Z 2020-10-22T21:15:13 CVE Published Date updated
2022-12-05 00:55:22 2022-04-26T16:23:17 CVE Modified Date updated
2022-12-05 00:55:22 Analyzed Vulnerability Status updated