Memory leak in Linux kernel - CVE-2021-47180

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Main Vulnerability Database Vulnerabilities #VU90012

Memory leak in Linux kernel - CVE-2021-47180

Published: May 30, 2024 / Updated: May 14, 2025


Vulnerability identifier: #VU90012
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-47180
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the EXPORT_SYMBOL() function in net/nfc/nci/core.c, within the nci_core_conn_create() and nci_hci_allocate() functions in include/net/nfc/nci_core.h. A local user can perform a denial of service (DoS) attack.


How to mitigate CVE-2021-47180

Install update from vendor's website.

Sources