Executive Summary

Informations
Name CVE-2020-27671 First vendor Publication 2020-10-22
Vendor Cve Last vendor Modification 2023-11-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Overall CVSS Score 7.8
Base Score 7.8 Environmental Score 7.8
impact SubScore 6 Temporal Score 7.8
Exploitabality Sub Score 1.1
 
Attack Vector Local Attack Complexity High
Privileges Required Low User Interaction None
Scope Changed Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:M/Au:N/C:C/I:C/A:C)
Cvss Base Score 6.9 Attack Range Local
Cvss Impact Score 10 Attack Complexity Medium
Cvss Expoit Score 3.4 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

An issue was discovered in Xen through 4.14.x allowing x86 HVM and PVH guest OS users to cause a denial of service (data corruption), cause a data leak, or possibly gain privileges because coalescing of per-page IOMMU TLB flushes is mishandled.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27671

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 17
Os 1
Os 1
Os 2
Os 159

Sources (Detail)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
Source Url
CONFIRM http://xenbits.xen.org/xsa/advisory-346.html
DEBIAN https://www.debian.org/security/2020/dsa-4804
GENTOO https://security.gentoo.org/glsa/202011-06
MISC https://xenbits.xen.org/xsa/advisory-346.html
MLIST http://www.openwall.com/lists/oss-security/2021/01/19/8
SUSE http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00075.html
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00025.html

Alert History

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Date Informations
2023-11-07 21:36:30
  • Multiple Updates
2023-08-02 01:53:55
  • Multiple Updates
2022-04-26 21:23:39
  • Multiple Updates
2021-09-02 01:39:45
  • Multiple Updates
2021-08-05 01:38:29
  • Multiple Updates
2021-07-21 17:23:18
  • Multiple Updates
2021-05-05 01:39:50
  • Multiple Updates
2021-05-04 13:52:18
  • Multiple Updates
2021-04-22 03:03:48
  • Multiple Updates
2021-03-27 01:34:22
  • Multiple Updates
2021-02-05 01:31:43
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2021-01-20 00:22:52
  • Multiple Updates
2020-12-05 17:22:55
  • Multiple Updates
2020-11-20 09:22:50
  • Multiple Updates
2020-11-11 12:29:43
  • Multiple Updates
2020-11-06 09:22:53
  • Multiple Updates
2020-11-05 00:22:56
  • Multiple Updates
2020-11-03 05:22:57
  • Multiple Updates
2020-11-01 17:23:02
  • Multiple Updates
2020-10-23 17:23:03
  • Multiple Updates
2020-10-23 05:23:03
  • First insertion