Main Vulnerability Database Vulnerabilities #VU89257

Buffer overflow in Linux kernel - CVE-2021-47114

Published: May 8, 2024 / Updated: May 14, 2025

Vulnerability identifier: #VU89257

CSH Severity: 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-2021-47114

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 a boundary error in fs/ocfs2/file.c. A local user can trigger memory corruption and crash the kernel.

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