Executive Summary

Informations
Name CVE-2020-14314 First vendor Publication 2020-09-15
Vendor Cve Last vendor Modification 2020-10-16

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 5.5
Base Score 5.5 Environmental Score 5.5
impact SubScore 3.6 Temporal Score 5.5
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged 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:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 2.1 Attack Range Local
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A memory out-of-bounds read flaw was found in the Linux kernel before 5.9-rc2 with the ext3/ext4 file system, in the way it accesses a directory with broken indexing. This flaw allows a local user to crash the system if the directory exists. The highest threat from this vulnerability is to system availability.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14314

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-125 Out-of-bounds Read

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 3345

Sources (Detail)

Source Url
CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14314
MISC https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id...
https://lore.kernel.org/linux-ext4/f53e246b-647c-64bb-16ec-135383c70ad7@redha...
MLIST https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
UBUNTU https://usn.ubuntu.com/4576-1/
https://usn.ubuntu.com/4578-1/
https://usn.ubuntu.com/4579-1/

Alert History

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Date Informations
2020-10-16 09:22:51
  • Multiple Updates
2020-10-16 05:22:56
  • Multiple Updates
2020-09-28 21:23:07
  • Multiple Updates
2020-09-24 21:23:09
  • Multiple Updates
2020-09-24 17:22:50
  • Multiple Updates
2020-09-16 05:22:49
  • First insertion