Double Free in MediaTek products - CVE-2025-20801

 

Double Free in MediaTek products - CVE-2025-20801

Published: January 5, 2026


Vulnerability identifier: #VU120892
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-20801
CWE-ID: CWE-415
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: MediaTek
Affected software:
MT6878
MT6897
MT6899
MT6985
MT6989
MT6991
MT6993
MT8792
MT8796
MT8798

Detailed vulnerability description

The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to a race condition within seninf. A local application can perform service disruption.


How to mitigate CVE-2025-20801

Install security update from vendor's website.

Sources