Integer overflow in MediaTek products - CVE-2022-20039

Vulnerability identifier: #VU73017

CSH Severity: Low

CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2022-20039

CWE-ID: CWE-190

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
MT6833
MT8791
MT6853
MT6873
MT6877
MT6883
MT6893
MT8797

Software vendor:
MediaTek

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to an integer overflow within ccu driver. A local privileged application can execute arbitrary code.

Install security update from vendor's website.

• https://corp.mediatek.com/product-security-bulletin/February-2022