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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

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.


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/2dc1554d5f0fdaf47cc5bea442b84b9226fea867
https://git.kernel.org/stable/c/2dc1554d5f0fdaf47cc5bea442b84b9226fea867
https://git.kernel.org/stable/c/b9e569ae1da3a113b3acee8703c94777fd20938a
https://git.kernel.org/stable/c/b9e569ae1da3a113b3acee8703c94777fd20938a
https://git.kernel.org/stable/c/c764e375ae647832de1ee73d43a4bb3ef8a8f43d
https://git.kernel.org/stable/c/c764e375ae647832de1ee73d43a4bb3ef8a8f43d
https://git.kernel.org/stable/c/d8897f7b2283a500666c85ef06e820df38ed7b52
https://git.kernel.org/stable/c/d8897f7b2283a500666c85ef06e820df38ed7b52
https://git.kernel.org/stable/c/e41a962f82e7afb5b1ee644f48ad0b3aee656268
https://git.kernel.org/stable/c/e41a962f82e7afb5b1ee644f48ad0b3aee656268
https://git.kernel.org/stable/c/eb949f891226c012138ffd9df90d1e509f428ae6
https://git.kernel.org/stable/c/eb949f891226c012138ffd9df90d1e509f428ae6

Weakness Enumeration

CWE-ID CWE Name Source

Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-47058
NVD Published Date:
02/29/2024
NVD Last Modified:
11/21/2024
Source:
kernel.org