Executive Summary

Informations
Name CVE-2022-21504 First vendor Publication 2022-06-14
Vendor Cve Last vendor Modification 2022-09-28

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

The code in UEK6 U3 was missing an appropiate file descriptor count to be missing. This resulted in a use count error that allowed a file descriptor to a socket to be closed and freed while it was still in use by another portion of the kernel. An attack with local access can operate on the socket, and cause a denial of service. CVSS 3.1 Base Score 5.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-21504

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-416 Use After Free

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 2

Sources (Detail)

Source Url
MISC https://github.com/oracle/linux-uek/commit/49c68f5f892d8c2be00e0a89ff2a035422...

Alert History

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Date Informations
2022-09-29 00:27:57
  • Multiple Updates
2022-09-09 00:27:26
  • Multiple Updates
2022-06-25 00:27:15
  • Multiple Updates
2022-06-15 17:27:09
  • Multiple Updates
2022-06-15 00:27:08
  • First insertion