Executive Summary

Informations
Name CVE-2021-47298 First vendor Publication 2024-05-21
Vendor Cve Last vendor Modification 2024-12-23

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

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

bpf, sockmap: Fix potential memory leak on unlikely error case

If skb_linearize is needed and fails we could leak a msg on the error handling. To fix ensure we kfree the msg block before returning error. Found during code review.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-47298

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-401 Failure to Release Memory Before Removing Last Reference ('Memory Leak')

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 6
Os 3469

Sources (Detail)

https://git.kernel.org/stable/c/6c508a1c6c62793dc6e6872cad4b200097bab7c9
https://git.kernel.org/stable/c/715f378f42909c401ec043f5150c4fdf57fb8889
https://git.kernel.org/stable/c/7e6b27a69167f97c56b5437871d29e9722c3e470
Source Url

Alert History

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Date Informations
2025-03-29 02:57:39
  • Multiple Updates
2025-03-28 13:28:02
  • Multiple Updates
2025-03-28 02:42:32
  • Multiple Updates
2025-03-18 02:50:19
  • Multiple Updates
2025-03-14 02:40:22
  • Multiple Updates
2025-01-08 02:34:59
  • Multiple Updates
2025-01-07 02:34:35
  • Multiple Updates
2024-12-24 21:21:05
  • Multiple Updates
2024-12-23 21:20:33
  • Multiple Updates
2024-11-25 09:25:28
  • Multiple Updates
2024-05-21 21:27:26
  • First insertion