Executive Summary

Informations
Name CVE-2022-40476 First vendor Publication 2022-09-14
Vendor Cve Last vendor Modification 2022-09-17

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 :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

A null pointer dereference issue was discovered in fs/io_uring.c in the Linux kernel before 5.15.62. A local user could use this flaw to crash the system or potentially cause a denial of service.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-40476

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-476 NULL Pointer Dereference

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 7
Os 3425

Sources (Detail)

Source Url
MISC https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/fs/io...
https://lore.kernel.org/lkml/CAO4S-mdVW5GkODk0+vbQexNAAJZopwzFJ9ACvRCJ989fQ4A...
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.62

Alert History

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Date Informations
2022-10-11 13:15:26
  • Multiple Updates
2022-10-11 01:25:32
  • Multiple Updates
2022-09-17 09:27:12
  • Multiple Updates
2022-09-15 05:27:13
  • Multiple Updates
2022-09-15 00:27:12
  • First insertion