Executive Summary

Informations
Name CVE-2019-3887 First vendor Publication 2019-04-09
Vendor Cve Last vendor Modification 2023-02-12

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
Overall CVSS Score 5.6
Base Score 5.6 Environmental Score 5.6
impact SubScore 4 Temporal Score 5.6
Exploitabality Sub Score 1.1
 
Attack Vector Local Attack Complexity High
Privileges Required Low User Interaction None
Scope Changed Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:M/Au:N/C:N/I:N/A:C)
Cvss Base Score 4.7 Attack Range Local
Cvss Impact Score 6.9 Attack Complexity Medium
Cvss Expoit Score 3.4 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A flaw was found in the way KVM hypervisor handled x2APIC Machine Specific Rregister (MSR) access with nested(=1) virtualization enabled. In that, L1 guest could access L0's APIC register values via L2 guest, when 'virtualize x2APIC mode' is enabled. A guest could use this flaw to potentially crash the host kernel resulting in DoS issue. Kernel versions from 4.16 and newer are vulnerable to this issue.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3887

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 3
Os 1
Os 1
Os 1
Os 3
Os 1
Os 1
Os 2
Os 2
Os 2
Os 2

Sources (Detail)

Source Url
BID http://www.securityfocus.com/bid/107850
CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3887
MISC https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
REDHAT https://access.redhat.com/errata/RHSA-2019:2703
https://access.redhat.com/errata/RHSA-2019:2741
UBUNTU https://usn.ubuntu.com/3979-1/
https://usn.ubuntu.com/3980-1/
https://usn.ubuntu.com/3980-2/

Alert History

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Date Informations
2023-02-13 05:27:45
  • Multiple Updates
2023-02-03 05:28:04
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2022-11-08 00:27:40
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2022-10-07 21:27:56
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2021-11-03 00:23:14
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2021-05-04 13:32:37
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2021-04-22 02:46:48
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2020-05-23 02:30:00
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2019-10-03 12:11:10
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2019-09-25 12:11:16
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2019-09-19 12:02:52
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2019-09-12 12:11:16
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2019-09-11 12:04:09
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2019-08-28 12:05:47
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2019-08-23 12:08:02
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2019-08-06 12:03:57
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2019-08-01 12:06:20
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2019-07-19 12:06:56
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2019-07-02 15:40:10
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2019-06-27 12:09:59
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2019-06-18 12:09:58
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2019-06-15 12:10:40
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2019-06-05 12:09:25
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2019-05-31 12:09:47
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2019-05-29 21:19:47
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2019-05-21 21:19:32
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2019-05-16 17:19:19
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2019-05-15 05:19:15
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2019-05-14 12:09:20
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2019-05-11 12:09:38
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2019-05-04 12:08:57
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2019-05-02 12:09:29
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2019-04-26 12:09:39
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2019-04-23 21:19:18
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2019-04-20 00:19:11
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2019-04-15 17:18:51
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2019-04-12 21:19:08
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2019-04-10 21:19:28
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2019-04-09 21:19:54
  • First insertion