Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2021-47058

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 1.4%
CVSS Severity
CVSS v3 Score 7.8
References
Products affected by CVE-2021-47058


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