#VU104403 Memory leak in Linux kernel - CVE-2021-4453 

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU104403

#VU104403 Memory leak in Linux kernel - CVE-2021-4453

Published: February 26, 2025 / Updated: May 11, 2025


Vulnerability identifier: #VU104403
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-2021-4453
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 within the smu_v12_0_fini_smc_tables() function in drivers/gpu/drm/amd/pm/swsmu/smu12/smu_v12_0.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

External links