#VU106114 NULL pointer dereference in Linux kernel - CVE-2025-21870

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Main Vulnerability Database Vulnerabilities #VU106114

#VU106114 NULL pointer dereference in Linux kernel - CVE-2025-21870

Published: March 27, 2025 / Updated: May 11, 2025


Vulnerability identifier: #VU106114
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-2025-21870
CWE-ID: CWE-476
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 NULL pointer dereference within the sof_ipc4_widget_setup_comp_dai() and sof_ipc4_prepare_copier_module() functions in sound/soc/sof/ipc4-topology.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

External links