Executive Summary

Informations
Name CVE-2018-20784 First vendor Publication 2019-02-22
Vendor Cve Last vendor Modification 2021-06-02

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

In the Linux kernel before 4.20.2, kernel/sched/fair.c mishandles leaf cfs_rq's, which allows attackers to cause a denial of service (infinite loop in update_blocked_averages) or possibly have unspecified other impact by inducing a high load.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20784

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 3
Os 3261
Os 1
Os 1

Sources (Detail)

Source Url
MISC http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c40...
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.2
https://github.com/torvalds/linux/commit/c40f7d74c741a907cfaeb73a7697081881c4...
REDHAT https://access.redhat.com/errata/RHSA-2019:1959
https://access.redhat.com/errata/RHSA-2019:1971
UBUNTU https://usn.ubuntu.com/4115-1/
https://usn.ubuntu.com/4118-1/
https://usn.ubuntu.com/4211-1/
https://usn.ubuntu.com/4211-2/

Alert History

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Date Informations
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2019-07-30 21:19:16
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2019-07-30 17:19:22
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2019-02-23 09:19:22
  • First insertion