Executive Summary

Informations
Name CVE-2021-47123 First vendor Publication 2024-03-15
Vendor Cve Last vendor Modification 2025-01-14

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 7.8
Base Score 7.8 Environmental Score 7.8
impact SubScore 5.9 Temporal Score 7.8
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low 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 :
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

In the Linux kernel, the following vulnerability has been resolved:

io_uring: fix ltout double free on completion race

Always remove linked timeout on io_link_timeout_fn() from the master request link list, otherwise we may get use-after-free when first io_link_timeout_fn() puts linked timeout in the fail path, and then will be found and put on master's free.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-47123

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-416 Use After Free
50 % CWE-415 Double Free

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 3460

Sources (Detail)

https://git.kernel.org/stable/c/1f64f5e903b9d1d157875721e02adadc9d6f0a5d
https://git.kernel.org/stable/c/447c19f3b5074409c794b350b10306e1da1ef4ba
Source Url

Alert History

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Date Informations
2025-03-29 02:57:21
  • Multiple Updates
2025-03-28 13:27:43
  • Multiple Updates
2025-03-28 02:42:16
  • Multiple Updates
2025-03-18 02:50:06
  • Multiple Updates
2025-03-14 02:40:10
  • Multiple Updates
2025-01-14 21:22:24
  • Multiple Updates
2024-11-25 09:26:29
  • Multiple Updates
2024-03-18 05:27:29
  • Multiple Updates
2024-03-16 00:27:24
  • First insertion