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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-2021-47058 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: regmap: set debugfs_name to NULL after it is freed There is a upstream commit cffa4b2122f5("regmap:debugfs: Fix a memory leak when calling regmap_attach_dev") that adds a if condition when create name for debugfs_name. With below function invoking logical, debugfs_name is freed in regmap_debugfs_exit(), but it is not created again because of the if condition introduced by above commit. regmap_reinit_cache() regmap_debugfs_exit() ... regmap_debugfs_init() So, set debugfs_name to NULL after it is freed.


Severity

 


CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  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/2dc1554d5f0fdaf47cc5bea442b84b9226fea867
https://git.kernel.org/stable/c/b9e569ae1da3a113b3acee8703c94777fd20938a
https://git.kernel.org/stable/c/c764e375ae647832de1ee73d43a4bb3ef8a8f43d
https://git.kernel.org/stable/c/d8897f7b2283a500666c85ef06e820df38ed7b52
https://git.kernel.org/stable/c/e41a962f82e7afb5b1ee644f48ad0b3aee656268
https://git.kernel.org/stable/c/eb949f891226c012138ffd9df90d1e509f428ae6

Weakness Enumeration

CWE-ID CWE Name Source

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-47058
NVD Published Date:
02/29/2024
NVD Last Modified:
03/01/2024
Source:
kernel.org