#VU93159 Buffer overflow in Linux kernel - CVE-2021-47166 

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Main Vulnerability Database Vulnerabilities #VU93159

#VU93159 Buffer overflow in Linux kernel - CVE-2021-47166

Published: June 24, 2024 / Updated: May 13, 2025


Vulnerability identifier: #VU93159
Vulnerability risk: Low
CVSSv4.0: 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-2021-47166
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

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

The vulnerability exists due to memory corruption within the nfs_pageio_doio() and nfs_do_recoalesce() functions in fs/nfs/pagelist.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

External links