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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

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


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

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

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

5 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