#VU89941 Memory leak in Linux kernel - CVE-2021-47473

Main Vulnerability Database Vulnerabilities #VU89941

#VU89941 Memory leak in Linux kernel - CVE-2021-47473

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

Vulnerability identifier: #VU89941

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-2021-47473

CWE-ID: CWE-401

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 leak in drivers/scsi/qla2xxx/qla_bsg.c. A local user can crash the kernel.

Remediation

Install update from vendor's website.

External links