Executive Summary

Informations
Name CVE-2021-37159 First vendor Publication 2021-07-21
Vendor Cve Last vendor Modification 2021-09-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 6.4
Base Score 6.4 Environmental Score 6.4
impact SubScore 5.9 Temporal Score 6.4
Exploitabality Sub Score 0.5
 
Attack Vector Physical Attack Complexity High
Privileges Required None 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 : (AV:L/AC:M/Au:N/C:P/I:P/A:P)
Cvss Base Score 4.4 Attack Range Local
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 3.4 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

hso_free_net_device in drivers/net/usb/hso.c in the Linux kernel through 5.13.4 calls unregister_netdev without checking for the NETREG_REGISTERED state, leading to a use-after-free and a double free.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-37159

CWE : Common Weakness Enumeration

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

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 3404

Sources (Detail)

Source Url
CONFIRM https://security.netapp.com/advisory/ntap-20210819-0003/
MISC https://www.spinics.net/lists/linux-usb/msg202228.html

Alert History

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Date Informations
2021-09-21 21:23:33
  • Multiple Updates
2021-08-26 09:23:00
  • Multiple Updates
2021-08-25 00:23:01
  • Multiple Updates
2021-08-24 00:23:00
  • Multiple Updates
2021-08-19 17:22:58
  • Multiple Updates
2021-08-19 12:44:27
  • Multiple Updates
2021-08-05 21:23:15
  • Multiple Updates
2021-07-29 21:23:12
  • Multiple Updates
2021-07-21 21:23:10
  • First insertion