Out-of-bounds write in MediaTek products - CVE-2022-26426

Vulnerability identifier: #VU66042

CSH Severity: Low

CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2022-26426

CWE-ID: CWE-787

Exploitation vector: Local access

Exploit availability: No public exploit available

Vendor: MediaTek

Affected software:
MT6833
MT8167
MT8167S
MT8168
MT8175
MT8185
MT8362A
MT8365
MT8385
MT8666
MT8675
MT8765
MT8786
MT8788
MT8789
MT8791
MT6853
MT6873
MT6877
MT6893
MT8797

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary error within the camera isp. A local application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Install updates from vendor's website.

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