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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities
NOTICE UPDATED - April, 25th 2024

NIST has updated the NVD program announcement page with additional information regarding recent concerns and the temporary delays in enrichment efforts.

CVE-2021-47171 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: net: usb: fix memory leak in smsc75xx_bind Syzbot reported memory leak in smsc75xx_bind(). The problem was is non-freed memory in case of errors after memory allocation. backtrace: [<ffffffff84245b62>] kmalloc include/linux/slab.h:556 [inline] [<ffffffff84245b62>] kzalloc include/linux/slab.h:686 [inline] [<ffffffff84245b62>] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460 [<ffffffff82b5b2e6>] usbnet_probe+0x3b6/0xc30 drivers/net/usb/usbnet.c:1728


Severity

 


CVSS 4.0 Severity and Metrics:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1fa Patch 
https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07f Patch 
https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70 Patch 
https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0 Patch 
https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95b Patch 
https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07 Patch 
https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc Patch 
https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17 Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-401 Missing Release of Memory after Effective Lifetime cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-47171
NVD Published Date:
03/25/2024
NVD Last Modified:
05/16/2024
Source:
kernel.org